python 读写txt文件

写

#覆盖写
with open(f_path,'w') as f:

    f.write('I love programming!\n')

    f.write('I love English too!\n')
    f.flush() #立即写入，不先写入缓存


#追加
with open(f_path,'a') as f:

    f.write('I love programming!\n')

    f.write('I love English too!\n')

 

读

with open(f_path) as f:

    for line in f:

        print(line)