Convert lowercase strings to uppercase using map() Dry Run in PYTHON

Convert lowercase strings to uppercase using map() 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.

Convert lowercase strings to uppercase using map() Program Code

words = ["hello", "world", "python", "lambda", "map"]

# Using map with str.upper method
uppercase = list(map(str.upper, words))

print(f"Original: {words}")
print(f"Uppercase: {uppercase}")

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