isdigit

Practice Question 26 In this question, we will learn how to write a function that extracts words that end in a number, such as “User1”, “Batch2026”, or “Point5”. The Logic…

Practice Question 3 In this post, we will learn how to write a function that finds all the numerical digits in a text file and calculates their sum. This is…

Practice Question 30 In this question, we will write a function that acts as a “Text Purifier.” It reads details.txt and removes every line that contains even a single numeric…

Practice Question 17 In this question, we will create a function that filters a text file to find and display words like “Python3”, “Win10”, or “Sector7G”—words that contain at least…