例题2.42
例题2.42代码
with open('data2_2.txt') as fp:
L1=[]; L2=[];
for line in fp:
L1.append(len(line))
L2.append(len(line.strip())) #去掉换行符
data = [str(num)+'\t' for num in L2] #转换为字符串
print(L1); print(L2)
with open('data2_42.txt', 'w') as fp2:
fp2.writelines(data)
