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KwickClips Cyber Safety and Ethics · 39 sec · free

What does return do?

Short answer. Sends the answer back.

How many times can you call a function?

Many times.

Remember

Define once, call many times
return sends the answer back

Why write the same code again and again? Add is a function. It takes two numbers and returns their sum. Main calls it with fifteen and ten. It prints twenty five. Define once, call many times. Return sends the answer back.

This clip is from the full lesson: Functions in C++: Overloading, Default Arguments and Inline — 7 minutes, with the tables, the quick answers and the whole lesson in text.

Useful for: CBSE Class 9 Information Technology (402), GSEB Std 12 Computer Studies, NIOS Secondary Data Entry Operations (229), NIOS Senior Secondary Computer Science (330)

More KwickClips from this lesson

C++ code void up(int &m) { m += 5; } called on k = 60, output 65.What does & in a parameter do?41 secC++ code inline int fee(int d, int r=50) returning d * r, fee(4) output 200.What does fee(4) return?41 secC++ code with int area(int s) and int area(int l, int b), area(5) output 25.Can return type alone tell them apart?41 sec
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