Functions in Programming
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Questions and Answers

What is a function in the context of programming?

  • A sequence of statements that performs a computation (correct)
  • A sub-task that cannot be reused
  • A named sequence of statements that performs a debug
  • A block of code that executes automatically

    • Why is it beneficial to divide a larger problem into sub tasks?

  • It makes debugging harder
  • It makes the code longer
  • It saves development time and efforts (correct)
  • It cannot be done

    • What is a characteristic of a user-defined function?

  • It is defined by the user in their program (correct)
  • It is already defined in Python libraries
  • It is a type of built-in function
  • It can only be used once

    • What is a benefit of using functions?

    <p>It makes the code reusable</p> Signup and view all the answers

    What is a built-in function?

    <p>A function already defined in Python libraries</p> Signup and view all the answers

    When is a function executed?

    <p>When it is called or invoked</p> Signup and view all the answers

    What is the purpose of the len() function?

    <p>To return the length of an object</p> Signup and view all the answers

    How do you import the math module in Python?

    <p>import math</p> Signup and view all the answers

    What is the function of the gcd() function in the math module?

    <p>To return the greatest common divisor of two integers</p> Signup and view all the answers

    What does the ceil() function do in the math module?

    <p>Returns the smallest integer greater than or equal to a number</p> Signup and view all the answers

    What is the purpose of the degrees() function in the math module?

    <p>To convert an angle from radians to degrees</p> Signup and view all the answers

    What is the function of the exp() function in the math module?

    <p>To return e raised to the power of a number</p> Signup and view all the answers

    What is the purpose of fruitful functions?

    <p>To yield results or return the results back to the function call</p> Signup and view all the answers

    What is the default return value of a void function?

    <p>None</p> Signup and view all the answers

    What happens when a fruitful function is called?

    <p>The result is stored in a variable</p> Signup and view all the answers

    What is an example of a void function?

    <p>def add(x,y): z= x+y print(z)</p> Signup and view all the answers

    What is the purpose of the 'return' statement in a fruitful function?

    <p>To yield the result back to the function call</p> Signup and view all the answers

    What can be an example of using a fruitful function in Python?

    <p>def area(width, height): return width * height</p> Signup and view all the answers

    What is the purpose of the radians function in Python's math module?

    <p>To convert an angle from degrees to radians</p> Signup and view all the answers

    What is the syntax for calling the power function in Python's math module?

    <p>math.pow(x, y)</p> Signup and view all the answers

    What is the keyword used to define a function in Python?

    <p>def</p> Signup and view all the answers

    What is the purpose of the return statement in a Python function?

    <p>To exit the function and optionally pass back an expression</p> Signup and view all the answers

    How do you import all the functions from the math module in Python?

    <p>from math import *</p> Signup and view all the answers

    What are the two steps to use a function in Python?

    <p>Define and call the function</p> Signup and view all the answers

    What is the purpose of the pass statement in a function definition?

    <p>To avoid getting an error when a function definition is empty</p> Signup and view all the answers

    What is the purpose of the myaddition function in the given example?

    <p>To find the total and difference of two numbers</p> Signup and view all the answers

    What is the purpose of the Noor's program in the given exercise?

    <p>To find the total price of three food items and apply a discount if necessary</p> Signup and view all the answers

    What is the purpose of the Riham's program in the given exercise?

    <p>To calculate the average mark of students in the class</p> Signup and view all the answers

    How many values are returned by the myaddition function in the given example?

    <p>Two</p> Signup and view all the answers

    What is the condition for applying a discount in Noor's program?

    <p>If the total price is more than 5 Rials</p> Signup and view all the answers

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