Python2 and Python3 character issues and character encoding content summary

Python2 and Python3 default encoding:

PYTHON2:GBK print (U ' on ') operating system is also GBK

Python3:unicode print (' on ')

Character Encoding conversion Relationship:

Unicode-"Encode (code)-" GBK Other forms of binary write

GBK Other forms of binary--"decode (decoding)--" Unicode read

Various encoding formats correspond to bytes:

bytes; Bytes

Ascil: English 1 bytes, Chinese no correspondence (65-90:a-z 97-122)

GBK; Chinese 2 bytes, English 1 bytes

Unicode; 2 bytes in both English and Chinese

Utf-8: Chinese 3 bytes, English one bytes

　　

File header

Coding:utf-8

x = ' on ' file header specifies that the utf-8 is the utf-8 binary

　　

　　

Python2 and Python3 character issues and character encoding content summary