Introduction to using the islower () method to process strings in Python

Introduction to using the islower () method to process strings in Python

This article describes how to use the islower () method to process strings in Python. It is the basic knowledge for getting started with Python. For more information, see

The islower () method checks whether all characters (letters) of a string are in lowercase.

Syntax

The syntax of the islower () method is as follows:

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1	Str. islower ()

Parameters

NA

Return Value

If all characters in a string are lowercase and contain at least one character, true is returned. Otherwise, false is returned.

Example

The following example shows how to use the islower () method.

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#! /Usr/bin/python   Str = "THIS is string example... wow !!! "; Print str. islower ();   Str = "this is string example... wow !!! "; Print str. islower ();

When we run the above program, it will produce the following results:

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1 2	False True