Python Set Programs with Solutions
48 Python set programs with solutions: create, add, remove, union, intersection, difference, subset, superset, frozenset and more, each explained.
SQA Tools Blog
Learn testing and automation, one article at a time
Free tutorials, solved practice problems and interview prep for QA and automation engineers: Python, Playwright, Selenium, SQL, Git and more.
1,677Articles
1,141Solved Python problems
7Topics
100%Free
Latest articles
1,677 articles · page 70 of 140Sort lines by length
Write a Python program to sort the lines of a file by their length. Step-by-step explanation, colour-coded code and real output.
Replace spaces with underscores
Write a Python program to replace every space in a file with an underscore. Step-by-step explanation, colour-coded code and real output.
Words shorter than 5 characters
Write a Python program to display the words of a file that have fewer than 5 characters. Step-by-step explanation, colour-coded code and real output.
Drop lines containing ‘t’
Write a Python program to copy a file to another file, skipping lines that contain the letter "t". Step-by-step explanation, colour-coded code and real output.
Count consonants in a file
Write a Python program to count the consonants in a file. Step-by-step explanation, colour-coded code and real output.
Count vowels in a file
Write a Python program to count the vowels in a file. Step-by-step explanation, colour-coded code and real output.
Read a file in reverse
Write a Python program to print the lines of a file in reverse order, and the whole text reversed. Step-by-step explanation, colour-coded code and real output.
Move the cursor with seek()
Write a Python program to move the cursor to a specific position in a file. Step-by-step explanation, colour-coded code and real output.
Cursor position with tell()
Write a Python program to find the current cursor position in a file. Step-by-step explanation, colour-coded code and real output.
Count special characters in a file
Write a Python program to count special characters (not letters, digits or whitespace) in a file. Step-by-step explanation, colour-coded code and real output.
Count digits in a file
Write a Python program to count the digits in a file. Step-by-step explanation, colour-coded code and real output.
Preparing for a QA interview?
Take free timed mock tests with answers and explanations.