Python 3 - String islower() Method

Description

The islower() method checks whether all the case-based characters (letters) of the string are lowercase.

Syntax

Following is the syntax for islower() method −

str.islower()

Parameters

NA

Return Value

This method returns true if all cased characters in the string are lowercase and there is at least one cased character, false otherwise.

Example

The following example shows the usage of islower() method.

#!/usr/bin/python3

str = "THIS is string example....wow!!!"
print (str.islower())

str = "this is string example....wow!!!"
print (str.islower())

Result

When we run above program, it produces the following result −

False
True

Useful Video Courses

---

Video

Python Online Training

187 Lectures 17.5 hours

Malhar Lathkar

More Detail

Video

Python Essentials Online Training

55 Lectures 8 hours

Arnab Chakraborty

More Detail

Video

Learn Python Programming in 100 Easy Steps

136 Lectures 11 hours

In28Minutes Official

More Detail

Video

Python with Data Science

Best Seller

75 Lectures 13 hours

Eduonix Learning Solutions

More Detail

Video

Python 3 from scratch to become a developer in demand

Best Seller

70 Lectures 8.5 hours

Lets Kode It

More Detail

Video

Python Data Science basics with Numpy, Pandas and Matplotlib

Most Popular

63 Lectures 6 hours

Abhilash Nelson

More Detail