Discuss / Python / 提前设定一个最大值和最小值,遍历进行比较,得到最大值最小值

提前设定一个最大值和最小值,遍历进行比较,得到最大值最小值

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def findMinAndMax(L):

if len(L) <= 0:

return(None, None)

minNum = L[0]

maxNum = L[0]

for i in range(len(L)):

if L[i] < minNum:

minNum = L[i]

elif L[i] > maxNum:

maxNum = L[i]

return minNum, maxNum


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