求求求求求求求求求求求求

 

with open('wenjian.txt', 'a+') as f:
    for i in range(10):
        a = input()
        f.write(a)
        f.write('\n')
with open('wenjian.txt', 'r') as f:
    lst = f.read().strip("\n").split('\n')
    lst = sorted(lst, key = lambda x: len(x))
    print('最长字符串:', lst[-1])
    print('最短字符串:', lst[0])
with open('wenjian.txt', 'r') as f:
    l = []
    lst = f.read().strip("\n").split('\n')
    for i in lst:
        if 'the' in i:
            l.append(i)
    print(l)

 

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