def trim(s): while s[0]== ' ' and len(s)>1: s=s[1:] while s[-1]== ' ' and len(s)>1: s=s[:-1] return s
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antenna_coder
def trim(s): while s[0]== ' ' and len(s)>1: s=s[1:] while s[-1]== ' ' and len(s)>1: s=s[:-1] return s