Check whether a value is contained in a group of valuesΒΆ

Check whether a specified value is contained in a group of values.
Test Data :
3 -> [1, 5, 8, 3] : True
-1 -> [1, 5, 8, 3] : False
def is_group_member(group_data, n):
    for value in group_data:
        if n == value:
            return True
    return False

print(is_group_member([1, 5, 8, 3], 3))
print(is_group_member([5, 8, 3], -1))

Output:

True
False