Loops

To repeat a fixed number of times use a

• while loop

• if loop

• for loop

• indentation

To repeat until a particular condition is true use

• while loop

• if loop

• for loop

• indentation

 The character that must be at the end of the line for if, while, for etc.

• ;

• +

• \;

• :

How many times does the following program print the word ‘computer’:

word= "computer"  

for num in range(1,6):     

print(word)

• 1

• 5

• 6

• 0

In programming, what is iteration?

• The repetition of steps within a program

• A decision point in a program

• The order in which instructions are carried out

• Testing a program to make sure it works

Why is iteration important?

• It determines the order in which instructions are carried out

• It allows multiple paths through a program

• It allows code to be simplified by removing duplicated steps

• It ensures the code works correctly

Which two statements are used to implement iteration?

• IF and WHILE

• FOR and WHILE

• ELSE and WHILE

• IF and ELSE

 Which type of loop iterates until instructed otherwise?

• FOR loop

• Repeat-once loop

• WHILE loop

• A count-controlled loop

The condition for a while loop to continue could include which of the following?

• While something equals something

• While something is greater than something

• While something is True

• All of these

 Which of the following symbols is used in Python to mean "Equal to"?

• =

• ==

• !=

• >=