Computer Science - Text-Based Programming - Python - Functions - defining and calling - Functions From Zero

Computer Science - Text-Based Programming - Python - Functions - defining and calling - Functions From Zeroby vivmagarwal

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Computer Science - Text-Based Programming - Python - Functions - defining and calling - Functions From Zero

vivmagarwalJan 29, 2026

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5 steps. Step 1 'Why Functions?': Without functions: same code repeated 10 times. With functions: write once, call 10 times. DRY = Don't Repeat Yourself. Step 2 'Defining': def greet(): print('Hello!'). The def keyword, function name, parentheses, colon, indented body. Step 3 'Calling': greet() → 'H

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Computer ScienceText-Based Programming - PythonClass 8, Stage 8, Class 8, Grade 8, MYP Year 3

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