Python format string example summary

  • 2020-04-02 14:10:04
  • OfStack

This article summarizes python's method of formatting strings as an example and shares it with you for your reference. Specific analysis is as follows:

The python string formatting method is expressed in the form of an example:

* define width
The Python code is as follows:


>>>'%*s' %(5,'some')
' some'

- the left
The Python code is as follows:


>>>'%-*s' %(5,'some')
'some '

A two - bit precision floating point decimal with a minimum width of 6
The Python code is as follows:


>>>'%6.2f' %8.123
' 8.12'

In dictionary form, a plus sign can be displayed in front of a positive number
The Python code is as follows:


>>>'%(name)s = %(num)+06.2f' %{'name':'a','num':8.123}
'a = +08.12'

Displays zero ('0') before octal number and '0x' or '0x' before hexadecimal (depending on whether 'x' or 'x' is used)
The Python code is as follows:


>>>'dec: %d/oct: %#o/hex: %#X' % (123,123,123)
'dec: 123/oct: 0173/hex: 0X7B'

Scientific enumeration
The Python code is as follows:


>>>'%e' % 1234.567890
'1.234568e+03'

I hope this article has helped you with your Python programming.


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