Make four variables of four different kinds: text, a whole number, a number with a decimal point, and True or False. The checker runs when you press Run. It shows PASS or FAIL for each variable, and a hint for each one that is wrong.
Have you tried it?
Do the tasks in the editor first, and run the checker after each one. Its hints help when a check fails. When you are ready, compare your code with this solution.
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