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GeezerVison is showing github.com — learn-python/src/operators/test_identity.py at master · AYoonesi/learn-python

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test_identity.py

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"""Identity operators
@see: https://www.w3schools.com/python/python_operators.asp
Identity operators are used to compare the objects, not if they are equal, but if they are actually
the same object, with the same memory location.
"""
def test_identity_operators():
"""Identity operators"""
# Let's illustrate identity operators based on the following lists.
first_fruits_list = ["apple", "banana"]
second_fruits_list = ["apple", "banana"]
third_fruits_list = first_fruits_list
# is
# Returns true if both variables are the same object.
# Example:
# first_fruits_list and third_fruits_list are the same objects.
assert first_fruits_list is third_fruits_list
# is not
# Returns true if both variables are not the same object.
# Example:
# first_fruits_list and second_fruits_list are not the same objects, even if they have
# the same content
assert first_fruits_list is not second_fruits_list
# To demonstrate the difference between "is" and "==": this comparison returns True because
# first_fruits_list is equal to second_fruits_list.
assert first_fruits_list == second_fruits_list
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