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kortion

#1 Created at ... [Delete] [Delete and Lock User]

def trim(s):

    l = 0

    r = len(s)

    while l<r:

        if s[l] == ' ':

            l = l + 1

        elif s[r-1] == ' ':

            r = r - 1

        else :

            break

    return s[l:r]


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