def trim(s): i=0 while s[i]==" ": i=i+1 ns=s[i:len(s)] k=len(ns) while ns[k-1]==" ": k=k-1 nns=ns[:k] return nns
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Alex-the-watcher
def trim(s): i=0 while s[i]==" ": i=i+1 ns=s[i:len(s)] k=len(ns) while ns[k-1]==" ": k=k-1 nns=ns[:k] return nns