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Question related to mission Fizz Buzz

 
def checkio(number):
    #Your code here
    #It's main function. Don't remove this function
    #It's using for auto-testing and must return a result for check.
    if number%3==0 & number%5==0:
        number = "Fizz Buzz"
    if number%3==0 & number%5!=0:
        number = "Fizz"
    if number%3!=0 & number%5==0:
        number = "Buzz"
    if number%3!=0 & number%5!=0: 
        number = str(number)

    return number