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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

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