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25 lines (16 loc) 路 782 Bytes
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"""Membership operators
@see: https://www.w3schools.com/python/python_operators.asp
Membership operators are used to test if a sequence is presented in an object.
"""
def test_membership_operators():
"""Membership operators"""
# Let's use the following fruit list to illustrate membership concept.
fruit_list = ["apple", "banana"]
# in
# Returns True if a sequence with the specified value is present in the object.
# Returns True because a sequence with the value "banana" is in the list
assert "banana" in fruit_list
# not in
# Returns True if a sequence with the specified value is not present in the object
# Returns True because a sequence with the value "pineapple" is not in the list.
assert "pineapple" not in fruit_list