While Loop

Sandbox

Explanation

Notes to capture:

• pros and cons of the first program that meows 3 times
• what will cause a loop to run forever?
• code for a working while loop
• sketch the flow of a while loop (flowchart or just arrows with code)
• two ways of incrementing (adding 1 to a variable)
• relationship between a for loop and a list
• syntax for a list
• when does a programmer use the variable “_”