Use math.isclose in other modules

Author: huangsam

ultimatepython/syntax/expression.py

@@ -2,6 +2,7 @@
 This module shows how to create new integers by applying math expressions
 on existing integers.
 """
+import math
 
 
 def main():
@@ -19,7 +20,7 @@ def main():
     # Division is tricky because Python 3.x returns 0.5 of type `float`
     # whereas Python 2.x returns 0 of type `int`. If this line fails, it
     # is a sign that the wrong version of Python was used
-    assert x / 2 == 0.5
+    assert math.isclose(x / 2, 0.5)
 
     # If an integer division is desired, then an extra slash must be
     # added to the expression. In Python 2.x and Python 3.x, the behavior

ultimatepython/syntax/variable.py

@@ -3,6 +3,7 @@
 a program. This module shows how to define variables and make assertions
 about the state of each defined variable.
 """
+import math
 
 
 def main():
@@ -47,7 +48,7 @@ def main():
     # integer literals
     assert 10_000 == 10000
     assert 0x01_0F_2C == 69_420
-    assert 3.456_290e-1 == 0.3_456_290
+    assert math.isclose(3.456_290e-1, 0.3_456_290)
 
     # There is also a special literal called None. This literal is used to
     # point that a particular variable or object is not created