Pick random numbers from a list
Write a Python program to select 4 random numbers from a list. Step-by-step explanation, colour-coded code and real output.
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
Python practice articles
1,137 articles · page 90 of 95 · Clear filtersInsert an item at an index
Write a Python program to insert an item at a specific position. Step-by-step explanation, colour-coded code and real output.
Split a list at a given length
Write a Python program to split a list into two parts where the first part has a given length. Step-by-step explanation, colour-coded code and real output.
Pack consecutive duplicates
Write a Python program to pack consecutive duplicates into sublists. Step-by-step explanation, colour-coded code and real output.
Remove consecutive duplicates
Write a Python program to remove consecutive duplicates from a list. Step-by-step explanation, colour-coded code and real output.
Count empty dictionaries
Write a Python program to count the empty dictionaries in a list (ignoring other empty containers). Step-by-step explanation, colour-coded code and real output.
Items starting with a letter
Write a Python program to find the items that start with a given character. Step-by-step explanation, colour-coded code and real output.
Sublist with the highest sum
Write a Python program to find the sublist whose elements add up to the highest total. Step-by-step explanation, colour-coded code and real output.
Move zeros to the end
Write a Python program to move all zeros to the end of a list. Step-by-step explanation, colour-coded code and real output.
Positives left, negatives right
Write a Python program to move all positive numbers to the left and negative numbers to the right, keeping their...
Iterate two lists at once
Write a Python program to iterate over two lists simultaneously and build a list of pairs. Step-by-step explanation, colour-coded code and real output.
Add a prefix to every item
Write a Python program to insert a string at the beginning of every item. Step-by-step explanation, colour-coded code and real output.
Preparing for a QA interview?
Take free timed mock tests with answers and explanations.