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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def align_up(offset, align):
 """Align ``offset`` up to ``align`` boundary. Args: offset (int):
 value to be aligned. align (int):
 alignment boundary. Returns: int: aligned offset. 4 3 """

    remain = offset % align
    if remain == 0:
        return offset
    else:
        return offset + (align - remain)