Quiz 4

Question 1

A definition of a function has what 2 parts

Answer 1

1. The head
2. The Block
   def fun_name():
   return statement

Question 2

Why must you indent the statements in a block

Answer 2

so that the interpreter(Python) knows that statements are apart of the block

Question 3

What are variables that receive pieces of data in a functions called?

Answer 3

Parameters

Question 4

What does the phrase “calling a function” mean?

Answer 4

execute the program

Question 5

When a function is executing, what happens when the end of the function’s black is reach?

Answer 5

Returns to where the function was called

Question 6

What is a variable’s scope?

Answer 6

a variable is only defined within the function that it is found

Question 7

Write a statement that calls the function:
def message():
      print("I am glad it is tuesday")

Answer 7

message()

Question 8

Write a statement that calls the function:
def show_sum(num1,num2):
      result = num1 + num 2
      print (result)

Answer 8

show_sum(1,3)

Question 9

Write a statement that calls the function:
def area(width,length):
      return width*length

Answer 9

area(4,30)

Question 10

Write a statement that calls the function:
def area(width,length):
      return width*length

Answer 10

area(4,30)

Question 11

Write a function called factorial that will take an integer as a parameter, and return the factorial of that number. You must use a for loop

Answer 11

def factorial(num):      
      total = 1
      for number in range (1,num+1):
             total = total*number
             return total

Question 12

Write a statement that calls the function:
def show_double(number):
     result = number*2
     print(result)

Answer 12

show_double(5)

Question 13

Def calculate_circumference(num1,num2):
       circumference = 2*num1*num2
       return circumference
1) What is the name of the function?
2) What does the function do?
3) Given the function definition, what will the following statement display
print(calculate_circumference(3.1459,0.5)

Answer 13

1) calculate_circumference
2) Calculate the circumference of a 4 sided shape or circle
3) 3.1459

Question 14

Write a function named times_ten. The function should accept an argument and display the product of its argument multiplied times 10.

Answer 14

def times_ten (number):
      print(number*10)

Question 15

What will be displayed?
def main():
    x = 1
    y = 3.4
    print(x, y)
    change_us(x, y)
    print(x, y)
def change_us(a, b):
     a = 0
     b = 0
     print(a, b)

Answer 15

1, 3.4
0, 0
1, 3.4

Question 16

Write a statement that generates a random number in the range of 1 through 100 and assigns it to a variable named rand.

Answer 16

import random
rand = random.randint (1,100)
print (rand)