What encoding does python3 use by default?

Python3 default encoding is unicode, represented by str type. Binary data is represented using the byte type.

The string is converted into bytecode through encoding, and the bytecode is converted into string through decoding

encode: str --> bytes (recommended learning: Python video tutorial)

decode: bytes --> str

Example python 3.0

str = "我是Python3"
str_utf8 = str.encode('utf-8')
str_gbk = str.encode('GBK')

print(str)

print("UTF-8 编码：", str_utf8)
print("GBK 编码：",str_gbk)

print("UTF-8 解码：", str_utf8.decode('utf-8'))
print("GBK解码：",str_gbk.decode('GBK'))

The output results are as follows:

我是Python3
UTF-8 编码： b'\xe6\x88\x91\xe6\x98\xafPython3'GBK 编码： b'\xce\xd2\xca\xc7Python3'UTF-8 解码： 我是Python3
GBK解码： 我是Python3

The default encoding of python3 is unicode, utf-8 can be regarded as an extension set of unicode

encode: Indicate to use encoding, decode: indicates the encoding format of the current encoding

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