Loops
Loops are a kind of control flow, but they rerun the same block of code over and over again until something else tells the loop to stop repeating itself. This is a bit different from conditional statements since these only run the block of code once. The two kinds of loop are while
and for
. Both types of loop are really useful.
while
while is one kind of loop. When we make a while
loop, the program repeats itself until a given block of code happens. When programming a while
loop, we need to create some rules, or our program will run forever.
For example, we can make this rule: when the calculator is on, perform the following steps:
- Run the calculator.
- Prompt the user to keep calculating.
- When the user hits the
else
statement, turn the calculator ...
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