def get_reverse(sequence):
    """Reverse orientation of `sequence`.

    Returns a string with `sequence` in the reverse order.

    If `sequence` is empty, an empty string is returned.
    """
    #force upppercase
    sequence=sequence.upper()
    #if an empty string, will evaluate to false and move to else statement
    if sequence:
        #reverse the string by slicing
        seq_reverse= sequence[::-1]
        return(seq_reverse)
    else:
        return('')