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index 81fed07..abf7c0d 100644
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@@ -1,165 +1,460 @@
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 <header>
- <h1 class="title">NLP Checklist</h1>
- <p class="text_small">Powered by OpenGenus IQ because we want you ❤️ to succeed. (<a href="https://iq.opengenus.org/use-checklist/" target="_blank" rel="noopener">How to use this?</a>)<br>Bookmark this page now (press <code>CTRL</code> + <code>D</code>) to easily use this masterpiece tomorrow<br></p>
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+    <h1 class="title">NLP Checklist</h1>
+    <p class="text_small">Powered by OpenGenus IQ because we want you ❤️ to succeed. (<a
+            href="https://iq.opengenus.org/use-checklist/" target="_blank" rel="noopener">How to use
+            this?</a>)<br>Bookmark this page now (press <code>CTRL</code> + <code>D</code>) to easily use this
+        masterpiece tomorrow<br></p>
+    <p class="text_small">Only concepts that you need to practice to master NLP.</p>
+    <div class="progress">
+        <span class="progress__count">0/X</span>
+        <input class="progress__reset" type="reset" value="Reset" title="Reset Checkboxes" tabindex="0">
+        <span class="progress__border"></span>
+        <span class="progress__bar"></span>
+    </div>
 </header>
 
-<div class="container">
-
-  <section class="checklist">
-  <h2 class="checklist__title">Getting Started</h2>
-Natural language processing (NLP) is a branch of artificial intelligence (AI) that allows computers to understand text and spoken words like humans.
-  <span class="checklist__title-border"></span>
-  <span class="checklist__percentage-border"></span>
-  <ul class="checklist-container">
-
-<li class="checklist-item">
-  <input id="" type="checkbox" /><label for="" class="checkbox"></label><span class="checklist-item__title">Polarity and Subjectivity in NLP</span>
-  <button class="checklist-item__expand" aria-label="Toggle Info" title="Toggle More Information">
-    <span class="line"></span>
-  </button>
-  <div class="info-container">
-    <div class="info">
-      Explore the concept of <a href="https://iq.opengenus.org/polarity-and-subjectivity-in-nlp/">polarity and subjectivity</a> in Natural Language Processing, understanding sentiments and opinions in text data.
-    </div>
-  </div>
-</li>
-
-<li class="checklist-item">
-  <input id="" type="checkbox" /><label for="" class="checkbox"></label><span class="checklist-item__title">Types of NLP Models</span>
-  <button class="checklist-item__expand" aria-label="Toggle Info" title="Toggle More Information">
-    <span class="line"></span>
-  </button>
-  <div class="info-container">
-    <div class="info">
-      Learn about various <a href="https://iq.opengenus.org/types-of-nlp-models/">types of NLP models</a> and their applications, including rule-based models, statistical models, and deep learning models.
-    </div>
-  </div>
-</li>
-
-<li class="checklist-item">
-  <input id="" type="checkbox" /><label for="" class="checkbox"></label><span class="checklist-item__title">Lexicon in NLP</span>
-  <button class="checklist-item__expand" aria-label="Toggle Info" title="Toggle More Information">
-    <span class="line"></span>
-  </button>
-  <div class="info-container">
-    <div class="info">
-      Understand the role of <a href="https://iq.opengenus.org/lexicon-in-nlp/">lexicon in NLP</a>, a collection of words and their meanings, essential for tasks like sentiment analysis and named entity recognition.
-    </div>
-  </div>
-</li>
-
-<li class="checklist-item">
-  <input id="" type="checkbox" /><label for="" class="checkbox"></label><span class="checklist-item__title">Chunking and Chinking in NLP</span>
-  <button class="checklist-item__expand" aria-label="Toggle Info" title="Toggle More Information">
-    <span class="line"></span>
-  </button>
-  <div class="info-container">
-    <div class="info">
-      Dive into the techniques of <a href="https://iq.opengenus.org/chunking-and-chinking-in-nlp/">chunking and chinking</a> in NLP, crucial for extracting meaningful phrases from sentences.
-    </div>
-  </div>
-</li>
-
-<li class="checklist-item">
-  <input id="" type="checkbox" /><label for="" class="checkbox"></label><span class="checklist-item__title">Lemmatization in NLP</span>
-  <button class="checklist-item__expand" aria-label="Toggle Info" title="Toggle More Information">
-    <span class="line"></span>
-  </button>
-  <div class="info-container">
-    <div class="info">
-      Learn about the process of <a href="https://iq.opengenus.org/lemmatization-in-nlp/">lemmatization</a> in NLP, transforming words into their base or root form for better analysis and understanding.
-    </div>
-  </div>
-</li>
-
-<li class="checklist-item">
-  <input id="" type="checkbox" /><label for="" class="checkbox"></label><span class="checklist-item__title">Stemming in NLP</span>
-  <button class="checklist-item__expand" aria-label="Toggle Info" title="Toggle More Information">
-    <span class="line"></span>
-  </button>
-  <div class="info-container">
-    <div class="info">
-      Explore the technique of <a href="https://iq.opengenus.org/stemming-in-nlp/">stemming</a> in NLP, reducing words to their base or root form by removing suffixes, useful for text normalization.
-    </div>
-  </div>
-</li>
+<div id = "contents" class="container">
+
+    <section class="checklist">
+        <h2 id="title1" class="checklist__title">Getting Started</h2>
+        Natural language processing (NLP) is a branch of artificial intelligence (AI) that allows computers to understand text and spoken words like humans.
+        <span class="checklist__title-border"></span>
+        <span class="checklist__percentage-border"></span>
+        <ul class="checklist-container">
+
+            <li class="checklist-item">
+                <input id="" type="checkbox" /><label for="" class="checkbox"></label><span
+                    class="checklist-item__title">Polarity and Subjectivity in NLP</span>
+                <button class="checklist-item__expand" aria-label="Toggle Info" title="Toggle More Information">
+                    <span class="line"></span>
+                </button>
+                <div class="info-container">
+                    <div class="info">
+                        Explore the concept of <a href="https://iq.opengenus.org/polarity-and-subjectivity-in-nlp/">polarity and subjectivity</a> in Natural Language Processing, understanding sentiments and opinions in text data.
+ </div>
+                </div>
+            </li>
+
+            <li class="checklist-item">
+                <input id="" type="checkbox" /><label for="" class="checkbox"></label><span
+                    class="checklist-item__title">Types of NLP Models</span>
+                <button class="checklist-item__expand" aria-label="Toggle Info" title="Toggle More Information">
+                    <span class="line"></span>
+                </button>
+                <div class="info-container">
+                    <div class="info">
+                        Learn about various <a href="https://iq.opengenus.org/types-of-nlp-models/">types of NLP models</a> and their applications, including rule-based models, statistical models, and deep learning models.
+                    </div>
+            </li>
+
+            <li class="checklist-item">
+                <input id="" type="checkbox" /><label for="" class="checkbox"></label><span
+                    class="checklist-item__title">Lexicon in NLP</span>
+                <button class="checklist-item__expand" aria-label="Toggle Info" title="Toggle More Information">
+                    <span class="line"></span>
+                </button>
+                <div class="info-container">
+                    <div class="info">
+                        Understand the role of <a href="https://iq.opengenus.org/lexicon-in-nlp/">lexicon in NLP</a>, a collection of words and their meanings, essential for tasks like sentiment analysis and named entity recognition.
+                    </div>
+                </div>
+            </li>
+
+            <li class="checklist-item">
+                <input id="" type="checkbox" /><label for="" class="checkbox"></label><span
+                    class="checklist-item__title">Chunking and Chinking in NLP</span>
+                <button class="checklist-item__expand" aria-label="Toggle Info" title="Toggle More Information">
+                    <span class="line"></span>
+                </button>
+                <div class="info-container">
+                    <div class="info">
+                        Dive into the techniques of <a href="https://iq.opengenus.org/chunking-and-chinking-in-nlp/">chunking and chinking</a> in NLP, crucial for extracting meaningful phrases from sentences.
+                    </div>
+                </div>
+            </li>
+
+            <li class="checklist-item">
+                <input id="" type="checkbox" /><label for="" class="checkbox"></label><span
+                    class="checklist-item__title">Lemmatization in NLP</span>
+                <button class="checklist-item__expand" aria-label="Toggle Info" title="Toggle More Information">
+                    <span class="line"></span>
+                </button>
+                <div class="info-container">
+                    <div class="info">
+                        Learn about the process of <a href="https://iq.opengenus.org/lemmatization-in-nlp/">lemmatization</a> in NLP, transforming words into their base or root form for better analysis and understanding.
+                    </div>
+                </div>
+            </li>
+
+            <li class="checklist-item">
+                <input id="" type="checkbox" /><label for="" class="checkbox"></label><span
+                    class="checklist-item__title">Stemming in NLP</span>
+                <button class="checklist-item__expand" aria-label="Toggle Info" title="Toggle More Information">
+                    <span class="line"></span>
+                </button>
+                <div class="info-container">
+                    <div class="info">
+                        Explore the technique of <a href="https://iq.opengenus.org/stemming-in-nlp/">stemming</a> in NLP, reducing words to their base or root form by removing suffixes, useful for text normalization.
+                    </div>
+                </div>
+            </li>      
+    </ul>
+    </section>
+
+
+    <section class="checklist">
+        <h2 class="checklist__title">Text Representation and Feature Engineering</h2>
+        Text Representation and Feature Engineering involves converting text data into numerical representations and selecting or constructing relevant features to facilitate machine learning tasks in Natural Language Processing (NLP).        <span class="checklist__title-border"></span>
+        <span class="checklist__percentage-border"></span>
+        <ul class="checklist-container">
 
-  </ul>
-  </section>
+            <li class="checklist-item">
+                <input id="" type="checkbox" /><label for="" class="checkbox"></label><span
+                    class="checklist-item__title">N-gram language model in NLP</span>
+                <button class="checklist-item__expand" aria-label="Toggle Info" title="Toggle More Information">
+                    <span class="line"></span>
+                </button>
+                <div class="info-container">
+                    <div class="info">
+                        Learn how to use <a href="https://iq.opengenus.org/n-gram-language-model-in-nlp/" target="_blank" rel="noopener">N-grams</a> to estimate the probability of the next word in a sequence based on the previous words.
+                    </div>
+                </div>
+            </li>
+
+            <li class="checklist-item">
+                <input id="" type="checkbox" /><label for="" class="checkbox"></label><span
+                    class="checklist-item__title">Bag of Words (BoW) in NLP</span>
+                <button class="checklist-item__expand" aria-label="Toggle Info" title="Toggle More Information">
+                    <span class="line"></span>
+                </button>
+                <div class="info-container">
+                    <div class="info">
+                        Learn how to represent text documents as vectors of word counts, ignoring the order and structure of the text. Explore <a href="https://iq.opengenus.org/bag-of-words-in-nlp/" target="_blank" rel="noopener">Bag of Words</a> in NLP.
+                    </div>
+            </li>
+
+            <li class="checklist-item">
+                <input id="" type="checkbox" /><label for="" class="checkbox"></label><span
+                    class="checklist-item__title">Tokenization in NLP</span>
+                <button class="checklist-item__expand" aria-label="Toggle Info" title="Toggle More Information">
+                    <span class="line"></span>
+                </button>
+                <div class="info-container">
+                    <div class="info">
+                        Learn how to break down text into smaller units such as words or characters, which are essential for further processing. Check out the <a href="https://iq.opengenus.org/tokenization-in-nlp/" target="_blank" rel="noopener">complete guide on Tokenization in NLP</a>.
+                    </div>
+            </li>
+
+            <li class="checklist-item">
+                <input id="" type="checkbox" /><label for="" class="checkbox"></label><span
+                    class="checklist-item__title">Word Embeddings</span>
+                <button class="checklist-item__expand" aria-label="Toggle Info" title="Toggle More Information">
+                    <span class="line"></span>
+                </button>
+                <div class="info-container">
+                    <div class="info">
+                        Learn how to represent words as real-valued vectors in a predefined vector space, capturing their semantic and syntactic similarities. Dive into <a href="https://iq.opengenus.org/word-embedding/" target="_blank" rel="noopener">Word Embeddings</a>.
+                    </div>
+                </div>
+            </li>
+
+            <li class="checklist-item">
+                <input id="" type="checkbox" /><label for="" class="checkbox"></label><span
+                    class="checklist-item__title">Different Word Representations</span>
+                <button class="checklist-item__expand" aria-label="Toggle Info" title="Toggle More Information">
+                    <span class="line"></span>
+                </button>
+                <div class="info-container">
+                    <div class="info">
+                        Learn about the different types of word representation features and how they can be combined to improve accuracy for NLP tasks. Explore <a href="https://iq.opengenus.org/different-word-representations/" target="_blank" rel="noopener">Different Word Representations</a>.
+                    </div>
+            </li>
+        </section>
+    </section>
+
+    <section class="checklist">
+        <h2 class="checklist__title">NLP Libraries and Frameworks</h2>
+        NLP libraries and frameworks facilitate natural language processing tasks by providing pre-built tools and algorithms for tasks such as text tokenization, part-of-speech tagging, sentiment analysis, named entity recognition, and machine translation, among others.        <span class="checklist__title-border"></span>
+        <span class="checklist__percentage-border"></span>
+        <ul class="checklist-container">
+
+            <li class="checklist-item">
+                <input id="" type="checkbox" /><label for="" class="checkbox"></label><span
+                    class="checklist-item__title">NLP Project: Compare Text Summarization Models</span>
+                <button class="checklist-item__expand" aria-label="Toggle Info" title="Toggle More Information">
+                    <span class="line"></span>
+                </button>
+                <div class="info-container">
+                    <div class="info">
+                        Learn how to compare different text summarization models using Python and the Hugging Face Transformers library. Check out the <a href="https://iq.opengenus.org/compare-text-summarization-models/" target="_blank" rel="noopener">NLP Project</a>.
+                    </div>
+            </li>
+            
+            <li class="checklist-item">
+                <input id="" type="checkbox" /><label for="" class="checkbox"></label><span
+                    class="checklist-item__title">Text Preprocessing in Python using spaCy library</span>
+                <button class="checklist-item__expand" aria-label="Toggle Info" title="Toggle More Information">
+                    <span class="line"></span>
+                </button>
+                <div class="info-container">
+                    <div class="info">
+                        Learn how to use spaCy, a popular Python library for NLP, to perform text preprocessing steps such as tokenization, lemmatization, removing punctuations and stopwords, and more. Explore <a href="https://iq.opengenus.org/text-preprocessing-in-spacy/" target="_blank" rel="noopener">Text Preprocessing in Python using spaCy library</a>.
+                    </div>
+            </li>
+
+            <li class="checklist-item">
+                <input id="" type="checkbox" /><label for="" class="checkbox"></label><span
+                    class="checklist-item__title">POS Tagging in NLP using Python</span>
+                <button class="checklist-item__expand" aria-label="Toggle Info" title="Toggle More Information">
+                    <span class="line"></span>
+                </button>
+                <div class="info-container">
+                    <div class="info">
+                        Learn how to perform part-of-speech tagging, which is the process of assigning grammatical categories to words in a text, using Python and NLTK. Check out <a href="https://iq.opengenus.org/pos-tagging/" target="_blank" rel="noopener">POS Tagging in NLP using Python</a>.
+                    </div>
+                </div>
+            </li>
+
+            <li class="checklist-item">
+                <input id="" type="checkbox" /><label for="" class="checkbox"></label><span
+                    class="checklist-item__title">BERT Interview Questions (NLP)</span>
+                <button class="checklist-item__expand" aria-label="Toggle Info" title="Toggle More Information">
+                    <span class="line"></span>
+                </button>
+                <div class="info-container">
+                    <div class="info">
+                        Learn about the most common interview questions on BERT, a state-of-the-art pre-trained model for NLP, and how to answer them. Check out <a href="https://iq.opengenus.org/bert-interview-questions/" target="_blank" rel="noopener">BERT Interview Questions (NLP)</a>.
+                    </div>
+                </div>
+            </li>
+
+            <li class="checklist-item">
+                <input id="" type="checkbox" /><label for="" class="checkbox"></label><span
+                    class="checklist-item__title">Different core topics in NLP (with Python NLTK library code)</span>
+                <button class="checklist-item__expand" aria-label="Toggle Info" title="Toggle More Information">
+                    <span class="line"></span>
+                </button>
+                <div class="info-container">
+                    <div class="info">
+                        Learn about the different core topics in NLP, such as stemming, lemmatization, named entity recognition, and more, using Python and NLTK. Check out <a href="https://iq.opengenus.org/nlp-topics-with-nltk/" target="_blank" rel="noopener">Different core topics in NLP (with Python NLTK library code)</a>.
+                    </div>
+                </div>
+            </li>
+
+    </ul>
+    </section>
+
+    <section class="checklist">
+        <h2 class="checklist__title">NLP Tasks and Applications</h2>
+        Explore various tasks and applications in Natural Language Processing (NLP), including text generation, summarization, sentiment analysis, and more.
+        <span class="checklist__title-border"></span>
+        <span class="checklist__percentage-border"></span>
+        <ul class="checklist-container">
+
+            <li class="checklist-item">
+                <input id="" type="checkbox" /><label for="" class="checkbox"></label><span
+                    class="checklist-item__title">40 Cutting-Edge NLP Project Ideas with source code</span>
+                <button class="checklist-item__expand" aria-label="Toggle Info" title="Toggle More Information">
+                    <span class="line"></span>
+                </button>
+                <div class="info-container">
+                    <div class="info">
+                        Get inspired by these <a href="https://iq.opengenus.org/40-cutting-edge-nlp-project-ideas/" target="_blank" rel="noopener">40 NLP project ideas</a> that cover a wide range of topics and applications, such as text generation, text summarization, sentiment analysis, and more.
+                    </div>
+            </li>
+
+            <li class="checklist-item">
+                <input id="" type="checkbox" /><label for="" class="checkbox"></label><span
+                    class="checklist-item__title">Applications of NLP: Text Generation, Text Summarization, and Sentiment Analysis</span>
+                <button class="checklist-item__expand" aria-label="Toggle Info" title="Toggle More Information">
+                    <span class="line"></span>
+                </button>
+                <div class="info-container">
+                    <div class="info">
+                        Learn about the applications of NLP in text generation, text summarization, and sentiment analysis, and how they can be used in various domains and scenarios. Check out <a href="https://iq.opengenus.org/applications-of-nlp/" target="_blank" rel="noopener">Applications of NLP</a>.
+                    </div>
+                </div>
+            </li>
+
+            <li class="checklist-item">
+                <input id="" type="checkbox" /><label for="" class="checkbox"></label><span
+                    class="checklist-item__title">Text classification using deep learning</span>
+                <button class="checklist-item__expand" aria-label="Toggle Info" title="Toggle More Information">
+                    <span class="line"></span>
+                </button>
+                <div class="info-container">
+                    <div class="info">
+                        Learn how to use deep learning models, such as convolutional neural networks and recurrent neural networks, to perform text classification tasks, such as spam detection and sentiment analysis. Check out <a href="https://iq.opengenus.org/text-classification-deep-learning/" target="_blank" rel="noopener">Text classification using deep learning</a>.
+                    </div>
+                </div>
+            </li>
+
+            <li class="checklist-item">
+                <input id="" type="checkbox" /><label for="" class="checkbox"></label><span
+                    class="checklist-item__title">Sentiment analysis with NLP</span>
+                <button class="checklist-item__expand" aria-label="Toggle Info" title="Toggle More Information">
+                    <span class="line"></span>
+                </button>
+                <div class="info-container">
+                    <div class="info">
+                        Learn how to use NLP techniques, such as lexicon-based methods and machine learning models, to perform sentiment analysis, which is the process of identifying and extracting the emotions and opinions from text data. Check out <a href="https://iq.opengenus.org/sentiment-analysis-nlp/" target="_blank" rel="noopener">Sentiment analysis with NLP</a>.
+                    </div>
+            </li>
+
+            <li class="checklist-item">
+                <input id="" type="checkbox" /><label for="" class="checkbox"></label><span
+                    class="checklist-item__title">Named Entity Recognition</span>
+                <button class="checklist-item__expand" aria-label="Toggle Info" title="Toggle More Information">
+                    <span class="line"></span>
+                </button>
+                <div class="info-container">
+                    <div class="info">
+                        Learn how to use NLP techniques, such as rule-based methods and sequence labeling models, to perform named entity recognition, which is the task of identifying and classifying named entities, such as persons, organizations, and locations, in text data. Check out <a href="https://iq.opengenus.org/named-entity-recognition/" target="_blank" rel="noopener">Named Entity Recognition</a>.
+                    </div>
+            </li>
+</ul>
+
+</section>
+    <section class="checklist">
+        <h2 class="checklist__title">Evaluation and Model Tuning</h2>
+        Evaluation in NLP involves assessing the performance of natural language processing models or algorithms using metrics like accuracy, precision, recall, and F1-score to gauge their effectiveness in processing and understanding text data.
+<br>
+        Model tuning refers to the process of adjusting hyperparameters, feature selection, or architecture configurations of NLP models to optimize their performance on specific tasks or datasets, aiming for better accuracy, generalization, or efficiency.        <span class="checklist__title-border"></span>
+        <span class="checklist__percentage-border"></span>
+        <ul class="checklist-container">
+
+            <li class="checklist-item">
+                <input id="" type="checkbox" /><label for="" class="checkbox"></label><span
+                    class="checklist-item__title">Different techniques for Document Similarity in NLP</span>
+                <button class="checklist-item__expand" aria-label="Toggle Info" title="Toggle More Information">
+                    <span class="line"></span>
+                </button>
+                <div class="info-container">
+                    <div class="info">
+                        Explore different techniques for measuring document similarity in NLP, including cosine similarity and Jaccard similarity. Check out <a href="https://iq.opengenus.org/document-similarity-techniques/" target="_blank" rel="noopener">Different techniques for Document Similarity in NLP</a>.
+                    </div>
+            </li>
+
+            <li class="checklist-item">
+                <input id="" type="checkbox" /><label for="" class="checkbox"></label><span
+                    class="checklist-item__title">Different Techniques for Sentence Semantic Similarity in NLP</span>
+                <button class="checklist-item__expand" aria-label="Toggle Info" title="Toggle More Information">
+                    <span class="line"></span>
+                </button>
+                <div class="info-container">
+                    <div class="info">
+                        Learn different techniques for measuring sentence semantic similarity in NLP, including vector-based methods and neural network approaches. Check out <a href="https://iq.opengenus.org/sentence-similarity-techniques/" target="_blank" rel="noopener">Different Techniques for Sentence Semantic Similarity in NLP</a>.
+                    </div>
+            </li>
+
+            <li class="checklist-item">
+                <input id="" type="checkbox" /><label for="" class="checkbox"></label><span
+                    class="checklist-item__title">Heaps' Law in NLP for Frequency of Words</span>
+                <button class="checklist-item__expand" aria-label="Toggle Info" title="Toggle More Information">
+                    <span class="line"></span>
+                </button>
+                <div class="info-container">
+                    <div class="info">
+                        Explore Heaps' Law, a statistical linguistic law that describes the relationship between the size of a vocabulary and the size of the corpus, in the context of NLP. Check out <a href="https://iq.opengenus.org/heaps-law-frequency-of-words/" target="_blank" rel="noopener">Heaps' Law in NLP for Frequency of Words</a>.
+                    </div>
+            </li>
+
+            <li class="checklist-item">
+                <input id="" type="checkbox" /><label for="" class="checkbox"></label><span
+                    class="checklist-item__title">Zipf's Law in NLP</span>
+                <button class="checklist-item__expand" aria-label="Toggle Info" title="Toggle More Information">
+                    <span class="line"></span>
+                </button>
+                <div class="info-container">
+                    <div class="info">
+                        Learn about Zipf's Law, a statistical distribution law that describes the frequency of words in a natural language, and its relevance in NLP. Check out <a href="https://iq.opengenus.org/zipfs-law-in-nlp/" target="_blank" rel="noopener">Zipf's Law in NLP</a>.
+                    </div>
+            </li>
+
+            
+            
+            <li class="checklist-item">
+                <input id="" type="checkbox" /><label for="" class="checkbox"></label><span
+                    class="checklist-item__title">Text Summarization Interview Questions (NLP)</span>
+                <button class="checklist-item__expand" aria-label="Toggle Info" title="Toggle More Information">
+                    <span class="line"></span>
+                </button>
+                <div class="info-container">
+                    <div class="info">
+                        Prepare for interviews with common questions related to text summarization in NLP. Check out <a href="https://iq.opengenus.org/text-summarization-interview-questions/" target="_blank" rel="noopener">Text Summarization Interview Questions (NLP)</a>.
+                    </div>
+            </li>
+
+</ul>
+</section>
 
 </div>
 
+
 <script src="checklist-track.js"></script>
 <h3 class="text_end">Best of Luck.</h3>
 <p class="text_end">Powered by OpenGenus IQ because we love ❤️ you.</p>
