Code a function that takes in an array of numbers and returns true or false depending on whether there are any duplicates or not.

Question

Sam · Accepted Answer

In Python, we can compare the input_list to list(set(input_list)).

def duplicates(intArray):
    return intArray != list(set(intArray))
    
if __name__ == '__main__':
    print(duplicates([])) # returns False
    print(duplicates([1,2,3,4])) # returns False
    print(duplicates([1,2,3,3])) # returns True

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