Find longest word using reduce() Dry Run in PYTHON

Find longest word using reduce() is an interactive PYTHON dry run visualizer from the Special programs section. Study the source code, then use the execution controls to follow each step, variable update, highlighted line, and console output.

This page provides a browser-based dry run with source-code highlighting, auto-scroll, voice narration controls, and execution output for learning the program step by step.

Find longest word using reduce() Program Code

from functools import reduce

words = ["python", "functional", "programming", "lambda", "reduce", "comprehension"]

# Find longest word using reduce
longest = reduce(lambda a, b: a if len(a) >= len(b) else b, words)

print(f"Words: {words}")
print(f"Longest word: '{longest}' (length: {len(longest)})")

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