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作业

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Fan2g已经被用了

#1 Created at ... [Delete] [Delete and Lock User] 
if L == []:
    return (None, None)
else:
    min = L[0]
    max = L[0]
    for value in L:
        if min>=value:
            min = value
        if max<=value:
            max = value
    return(min,max)

加菲猫养兔子

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

写的漂亮

提米冰冰

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

else可以不写，因为第一个判断直接返回了，这样代码更简洁，然后判断的时候等号也没必要写，增加了赋值的操作，这两点算是对代码的优化了

小龙女爱吃大龙虾

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

haha 我也是这样写的！

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