读取一行

file = open("filename.txt", "r")
print(file.readlines())
file.close()

结果
>>>
['Line 1 text \n', 'Line 2 text \n', 'Line 3 text']
>>>

您还可以使用for循环来迭代文件中的行：

file = open("filename.txt", "r")

for line in file:
    print(line)

file.close() 

例子
>>>
Line 1 text

Line 2 text

Line 3 text
>>>