def sequence(find, numbers):
    """This function checks to see if an object is in a sequence

        >>> sequence(1, [1,2,3,4])
        1
        >>> sequence("i", "Hello world")
        'Nothing'
        >>> sequence(4, (2,4,6))
        4
    """
    for n in numbers:
        if find == n:
            return(n)
    else:
        return("Nothing")