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KwickClips Python · 39 sec · free

What does print(change(), marks) print?

Short answer. 6 5.

Why is marks still 5?

The function made a local marks; the global was never touched.

Remember

Storing inside makes a local
The global stays the same

A classic exam question. Most students get the second number wrong. Inside change, marks equals two makes a new local. It returns six. The global marks stays five. Storing inside a function makes a local. The global stays the same.

This clip is from the full lesson: Scope of Variables: Local and Global — 6 minutes, with the tables, the quick answers and the whole lesson in text.

Useful for: CBSE Class 12 Computer Science (083), ICSE Class 10 Computer Applications, ICSE Class 10 Computer Applications, ISC Class 12 Computer Science (868)

More KwickClips from this lesson

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