python 读写文件 *** 作(open

print('#创建test文件并写入（‘w’ 模式）')
f = open('test', 'w')
f.write('this is a text file. \nhello word! \npython is good!')
f.close()

print('#打开文件，并读出文件内容')
f = open('test').read()
print(f)
# f.close()

print('#将文件每行内容写进列表')
f = open('test')
lines = f.readlines()
print(lines)
f.close()

print('#在原有文件内容基础上继续添加内容（‘a’ 模式）')
f = open('test', 'a')
f.write('\nwant anymore!')
f.close()

print('#循环打印每行文件内容')
f = open('test')
for test_1 in f:
    print(test_1)
f.close()

print('#\'with\'具有自动关闭文件功能')
with open('test') as f:
    print(f.read())

print('#删除文件')
import os
os.remove('test')

运行结果如下：