List of C Sharp Kata to Update

The following kata needs to fixed to enable C# 7.3. Any help will be appreciated.

1. (m, k)-Perfect Number
2. 2 + 1
3. 2-Sum Sums
4. 7 Wonders Science Scorer
5. A Maybe Is An Option
6. Additive colors
7. All Star Code Challenge #2
8. Anagram or not
9. Area or Perimeter
10. Aurecchia Mathematical question chapter 1
11. Balancing Ratios
12. Basics 07: Calculate Sin(x) - too easy?
13. Beginner - Lost Without a Map
14. Best Student Grade
15. Between a and b
16. Between Extremes
17. Bit Sort
18. Braces with content
19. BruteForceFramework
20. Burrows-Wheeler transform I. Coding
21. Cable Matching Problem
22. Calculate age in days
23. Calculate Monthly Mortgage Payment
24. Calculate the Area under the polynomial curve!
25. Cartesian product
26. Casear Cypher
27. change for pizza
28. Check disk space for audio
29. Check if integer is part of Fibonacci sequence or not
30. Check if Panagram
31. Christmas Tree!
32. Common interests
33. Consecutive Digit Constraints
34. Constructing a car #3 - On-Board Computer
35. Convert natural number to its binary representation
36. Convierte kilómetros a millas
37. Count the likes
38. Counter-Strike SeriesI
39. Create a simple Class at Runtime
40. Crypto-currency Miner
41. Custom Rounding Rule
42. Damn those dwarves: A tale of gold nuggets
43. Dart quest - What hits do you need to make a perfect finish?
44. Dictionary Merge
45. Dividing Fractions
46. Dude E Free
47. DynamicMethod using MSIL
48. Easter Sunday
49. encryption message for 3 little pigs
50. Extract Fixed-Width Records
51. Fibonacci
52. Fibonacci sequence with Linq
53. File system mock
54. Find a cycle
55. Find Jon Snow Parents
56. Find number of matches
57. Find The Binary
58. Find the Pivot Element
59. Forgetful Johny
60. Formatting decimal places #2
61. GA-DE-RY-PO-LU-KI cypher vol 4 - Missing key madness
62. Game with Balls
63. Gather generics
64. Generate Excel column names
65. GetThePlusMethod
66. Gradually discounted milk price
67. Graph Theory: Detect an arborescence
68. Graphics 04: Complete Function Grapher (~15 Lines of Code?!)
69. Hangman
70. How many Katas should I have done?
71. In order or not?
72. Is number a palindrome?
73. It's Full of Stars
74. Johny and Trees
75. KanaKonverter II
76. Kerckhoffs's principle
77. LargeNumber*Digit
78. Leap year
79. Letter to ASCII
80. Linear equations N x M, complete solution space, fraction representation
81. Logical Conjunction
82. Look and Say. How was it?
83. Lucky Ticket
84. Maximum 2d subarray sum
85. Maximum Area in Histogram
86. Maze
87. Mean Means
88. Morse Code Translator
89. National Bath Safety Month
90. Need Change ?
91. Newton's Method: Finding roots (rational)
92. Number of ones in binary
93. Number Zoo Patrol
94. Numberpad cipher
95. Numbers and its Reversal Having Same Prime Factors.
96. Odd One Out
97. Old Greg's Binary Fingers
98. Operationalism
99. Packing your backpack
100. Padovan numbers
101. Palindrome chain length
102. Parrot the Colors
103. Partitions, big time
104. Pascal's Triangle
105. PatternCraft - Command
106. Pell Numbers
107. Performance #2 - Fill an Int-Array - Need High Speed
108. Performance #3 - Fill an Int-Array - Need Highest Speed
109. Perimeter of a Rectangle
110. Polygon Orientation
111. Pre-FizzBuzz Workout #2
112. Punnett Squares
113. Refactor out a switch-statement to a Dictionary
114. Refactor out a switch-statement to a Visitor pattern
115. Refactor out a switch-statement using polymorphism
116. Reflection #2 - Give me all methods
117. Reflection #3 - Add the member-results
118. Reflection #4 - Complete-Invoke
119. Responsible Drinking
120. Reverse Polish Notation solver (Easy)
121. Reversible encryption using XOR.
122. Round To Nearest
123. RunTime Compiler
124. Scan sort.
125. Seat Allocation Double Dutch
126. Sharp Number
127. Simple Fun #125: Array Equalization
128. Simple Fun #174: Unlucky Number
129. Simplexer
130. Sit Stand Bend
131. Sleigh Authentication
132. Small enough? - Beginner
133. Solving a Soma Cuboid
134. Space Journey (1): If only i knew where to land..
135. Stenography 4 Life
136. Strategy Pattern - Bird Behaviors
137. Stream To Image Step By Step
138. Sum by Factors
139. Sum of All Digits (powers of 10)
140. Sum of list values
141. Sum of values from 1 to n inclusive { nΣn=1 }
142. Summarise Fuel Fill-Ups
143. Symmetric Difference
144. Symmetry projection on the dihedral group of order 2
145. Tarot Score
146. Tetris - rotate the block
147. The A - B Problem
148. Tic-Tac-Toe Winner
149. TIY-FizzBuzz
150. To buy or not to buy
151. To compress: This looks like Huffman compression!
152. Top Secret Deciphering Mission
153. Traffic Lights Series - Part 2
154. Triangle in a Square
155. Tug-o'-War
156. Vasya and Drinks
157. Vasya in his free time
158. Very easy - correct the mistake in the code
159. Very Simple Inheritance for Beginners
160. Who's Next in Line?
161. Whos the TIC TAC TOE champion?