Byte order and encoding
Write a Python program that prints the machine's byte order and the default text encoding. 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
Latest articles
1,677 articles · page 20 of 140Which Python is running?
Write a Python program that checks which interpreter file is running. Step-by-step explanation, colour-coded code and real output.
Float limits
Write a Python program that prints the largest float and float precision. Step-by-step explanation, colour-coded code and real output.
Largest list index
Write a Python program that prints `sys.maxsize` and shows ints can be bigger. Step-by-step explanation, colour-coded code and real output.
Recursion limit
Write a Python program that reads the recursion limit and handles RecursionError. Step-by-step explanation, colour-coded code and real output.
Size of objects
Write a Python program that compares the memory size of a few objects. Step-by-step explanation, colour-coded code and real output.
Which modules are loaded?
Write a Python program that checks whether a module has been imported yet. Step-by-step explanation, colour-coded code and real output.
Import from a custom folder
Write a Python program that adds a folder to `sys.path` and imports a module from it. Step-by-step explanation, colour-coded code and real output.
Inspect sys.path
Write a Python program that shows how many folders Python searches for modules. Step-by-step explanation, colour-coded code and real output.
Write with sys.stdout
Write a Python program that prints a progress bar with `sys.stdout.write`. Step-by-step explanation, colour-coded code and real output.
Read numbers from stdin
Write a Python program that reads numbers from standard input and prints their total. Step-by-step explanation, colour-coded code and real output.
Write errors to stderr
Write a Python program that writes normal output to stdout and errors to stderr. Step-by-step explanation, colour-coded code and real output.
Preparing for a QA interview?
Take free timed mock tests with answers and explanations.