Pankaj Kumar

Pankaj Kumar

I have been working on Python programming for more than 12 years. At AskPython, I share my learning on Python with other fellow developers.

Python String upper() Function

Python String upper() function converts complete String into Uppercase and returns a new string. Strings are immutable in String, so the original string value remains unchanged. Key Points : Return Type: String Parametric Values: No parameters can be passed into the upper()…

Python String islower() Function

Python String islower() function checks if all the characters in a string are lowercase then return True else False. Key Points : Return Type: Boolean i.e. True or False Parametric Values: No Parameters required It is not space-sensitive but case…

Python String isupper() Function

String in Python has built-in functions for almost every action to be performed on a string. Python String isupper() function checks if all the characters in a string are uppercase then returns true else false. Key Points : Return Type:…

Python String isdigit() Function

Python String isdigit() function checks for the Digit characters in a string and returns True if the string consists of only digit characters. Key Points: Return Type: Boolean i.e. True or False Parametric Values: No parameters need to be parsed in isdigit()…

Python String isalpha() Function

String in Python has built-in functions for almost every action to be performed on a string. Python String isalpha() function checks for the alphabets in a string and returns True if the string consists of only alphabets (a-z, A-Z). Key…

Python String isalnum() Function

String in Python has built-in functions for almost every action to be performed on a string. Python String isalnum() function checks for the alphanumeric characters in a string and returns True only if the string consists of alphanumeric characters i.e.…

Python String startswith() Function

String in Python has built-in functions for almost every action to be performed on a string. Python String startswith() function checks for the specific prefix in a string and returns True else False. Key Points: Return Type: Boolean i.e. True…

Python String Substring

Substring is a portion of the string that can be extracted and represented as a new string. In this tutorial, we will learn how to work with Substrings in Python. 1. Creating Python String Substring Substring can be created using…

Python String Functions

Python has built-in functions for almost every operation that is to be performed on a string. To make it simple, these are classified on the basis of the frequency of their use as well as their operations. They are as…