map

def order():
    sentence = "is2 Thi1s T4est 3a"
    senList = str.split(sentence)
    nums = list(range(1, 10))
    nums = map(str, nums)
    nums = list(nums)
    position = []
    for item in senList:
        for i in nums:
            if i in item:
                position.append(i)
    print(position)
    position = list(map(int, position))  #将position里面的值转换成int
    print(position)
    for i in range(0, len(position)-1):
        for j in range(i+1, len(position)):
            if position[i] > position[j]:
                tem = position[i]
                position[i] = position[j]
                position[j] = tem
                tem = senList[i]
                senList[i] = senList[j]
                senList[j] = tem
    print(‘ ‘.join(senList))


if __name__ == ‘__main__‘:
    order()

map

原文：http://www.cnblogs.com/sayHello2World/p/7147639.html