Duplicate_Element_Array.py

# Write a Python Program to Find Whether a Given Array of Integers Contains Any Duplicate Element.
'''Return true if any appears at least twice in the said array and return false if every element is distinct.'''

def test_duplicate(array_nums):
    nums_set = set(array_nums)
    return len(array_nums) != len(nums_set)
print(test_duplicate([1,2,3,4,5]))
print(test_duplicate([1,2,3,4,4]))
print(test_duplicate([1,1,2,2,3,3,4,4,5]))