'''
文件操作模式

'''
fp = open('too.txt','a',encoding='utf=8')
fp.write('\n你好')
fp.close()

# fl =

# 文件操作的高级操作
'''
with open(文件路径 打开模式)
'''
# r+即可读又可写
with open('too.txt','r+',encoding='utf=8') as fp:
    ss=fp.read()
    # 设置指针的位置
    # fp.seek(1)
    print('高级写法',ss)
    fp.write(ss)

# # w+即可读又可写 打开后清空
# with open('too.txt','w+',encoding='utf=8') as fp:
#     ss=fp.read()
#     print('高级写法',ss)
#     fp.write(ss)