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交作业

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乡野村夫传奇_614

#1 Created at ... [Delete] [Delete and Lock User] 
def trim(s):
    l = 0
    r = len(s)
    for i in range(len(s)):
        if s[i] == ' ':
            l = i+1
        else:
            break
    for i in range(len(s)-1,0,-1):
        if s[i] == ' ':
            r = i
        else:
            break
    return s[l:r]

霸气_侧漏1069

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

你放进去检查下，就知道是错的了

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