KwickClips Python · 43 sec · free
What is reuse?
Short answer. Writing code once and calling it many times.
What is modularity?
Breaking a program into small parts.
Why functions
| Function: named block for one job |
| Reuse: write once, call often |
| Modularity: small parts |
Remember
| Write once, call many times |
| Small parts are easy to fix |
Fifty students, fifty bills. Copy the same code fifty times? No. A function is a named block for one job. Reuse means write once, call often. Modularity means small parts. Write once, call many times. Small parts are easy to fix.
This clip is from the full lesson: User-defined Functions: Defining, Calling and Returning Values — 7 minutes, with the tables, the quick answers and the whole lesson in text.
Useful for: CBSE Class 10 Information Technology (402), CBSE Class 11 Computer Science (083), CBSE Class 11 Computer Science (083), CBSE Class 11 Computer Science (083)
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