JCITP92

Which of the following is the use of functions in Python?

• Functions are reusable pieces of programs

• A function can take an unlimited number of arguments.

• A Python function can return multiple values

• All of the mentioned

Answer explanation

Functions are reusable pieces of programs. They allow you to give a name to a block of statements, allowing you to run that block using the specified name anywhere in your program, multiple times

Which one of the following keywords is used to define a function?

• fun

• 
  define

• def

• function

Answer explanation

In Python, a function is defined using the def keyword followed by the name of the function and arguments. You can pass data, known as arguments, into a function. A function can return data as its result

What will be the output of the following Python code? def sayHello(): print('Hello World!') sayHello() sayHello()

• Hello World! Hello World!

• Hello World! + Hello World!

• Hello Hello

• sayHello sayHello

Answer explanation

Functions are defined using the def keyword. To call a function, we write the name of the function with (). Here, we are calling the function two times (sayHello()), which will print Hello World! two times

What is the output of the following code? def cal(m,n): if m==n: print(m*3) else: print(n*3) cal(2, 4)

• 6

• 7

• 12

• 3

Answer explanation

Here, we passed 2 arguments - m and n, into the function named cal. We want to print 3 times of m if m is equal to n, otherwise it will print 3 times of n. Then we called the cal function with the values for m and n, i.e., 2, 4 . Since the if condition (m == n) is false , the output will be n*3, i.e., 4*3

def Fun(n) : print(n) What is "n" here?

• Variable

• Argument

• Keyword

• None of the above

Answer explanation

An argument is the value that is sent to the function when it is called. You can add as many arguments as you want, just separate them with a comma. Here, Fun function has one argument (n)