Example
While Loop Basics
While loop executes as long as condition is true. Controlling iteration with condition.
Results for “loop”
Showing 1–10 of 57
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Example
For Loop Basics
For loop iterates through sequence elements. Basic iteration over lists.
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Quiz
Python While Loop Quiz
Free beginner quiz on Python while loops: 15 questions on conditions, counters, infinite loops, break and continue, with instant answers.
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Quiz
Python For Loop Quiz
Free beginner quiz on Python for loops: 15 questions on lists, strings, range(), enumerate(), totals and break, with instant answers.
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Example
Break and Continue in Loops
…(exit) and continue (skip) statements for flow control in loops.
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Article Python Fundamentals
Nested Loops in Python
Nested loops let you work with 2D data like grids, tables, and images. Learn how they work, avoid common pitfalls, and write cleaner Python code with real examples.
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Challenge
Never-ending wait
A while loop waits for the antenna signal but never moves on to the next reading, so it never ends. Predict it, find the stuck counter, fix it, then write a wait that gives up when the readings run…
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Example
For Loop with enumerate and range
Functions enumerate() and range() extend for loop capabilities in Python.
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Challenge
Copy-pasted blocks
…blocks with a list of (name, level) pairs and one loop, keeping the output exactly the same, then add a fourth tank with a single list item and list the low tanks.
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Challenge
First error
…on line 4: [T+00:14:47] ERROR Fuel valve 2 not responding Loop with enumerate(log, start=1) . Look for "] ERROR" , as in "Count warnings", so a message that only mentions the word doesn't count. break…
