Coding养成--Python（11）

#The diary of a Python learner

Date:16.01.20245

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Focus:文件读写strIO和BytesIO

Key:创建IO，然后写入用.write(),用getvalue()读取

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Practice：

1.

# -*- coding: utf-8 -*-
from io import StringIO
>>> f = StringIO()
>>> f.write('hello')
5
>>> f.write(' ')
1
>>> f.write('world!')
6
>>> print(f.getvalue())
hello world!

2.

# -*- coding: utf-8 -*-
from io import BytesIO
>>> f = BytesIO()
>>> f.write('中文'.encode('utf-8'))
6
>>> print(f.getvalue())
b'\xe4\xb8\xad\xe6\x96\x87'

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Difficulty？

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Addition: