Question-139: Which of the following statements is/are correct for function?

1. Build in function: their behavior is already implemented by Python) to make your life smooth.
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Answer: A,B,C,D,E

Exp:

Functions

• You have used many functions till now
  • len(), input(), float(), int() etc.
• These are pre-defined (it means their behavior is already implemented by Python) to make your life smooth.
• If you want to have some custom behavior then you have to create your own function.
• In maths, you have seen equation something like below

• In above f(x) is a function, which find the value y for given x.
• But what to do with X is defined in a function f(x)
• Suppose your function does below thing

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