Python string formatting symbols

1. String formatting symbols meaning

%c: Formatting characters and their ASCII code

%s: Formatted string

%d: Formatted integer

%o: Formatting unsigned octal numbers

%x: Formatting unsigned hexadecimal numbers

%x: Formatting unsigned hexadecimal number (uppercase)

%F: Format fixed-point number to specify the precision after the decimal point

%e: Formatting fixed-point numbers with scientific notation

%E: function with%E, format fixed-point number with scientific notation

%g: Depending on the size of the value, use%f live%e

%G: function with%G, depending on the size of the value to use%f or%e

2. Formatting operator Auxiliary Instructions

M.n:m is the smallest total width displayed, and n is the number of digits after the decimal point

-: For left alignment

+: Show plus sign (+) before positive number

#: Display ' 0o ' before octal number, ' 0x ' or ' 0X ' before hexadecimal number

0: Display number preceded by ' 0 ' to replace space

Python string formatting symbols