Question

question: 3
you need to write a program that has karel put down a tennis ball if karel is not able to move forward in the direction they are currently facing.
which control structure do you need to use?
for loop
while loop
if statement
if/else statement
none of these

Explanation:

An If Statement is used to execute a block of code when a certain condition is met. In this case, the condition is "Karel is not able to move forward in the direction they are currently facing", and the action is "put down a tennis ball". A For Loop and While Loop are used for repetitive tasks. An If/Else statement is used when there are two possible actions (one for when the condition is true and one for when it is false). Since there is only one action (putting down the ball when the condition is true), an If Statement is sufficient.

Answer:

If Statement