The “if statement” in Python does this specifically by testing whether a statement is true, and then executing a code block only if it is. In other words: “IF this is true, THEN do this.” ...

#All conditional statements must equate to true or false. #A conditional statement always follows an IF or ELIF. # Where the word IF is used, SELECTION is being used. # In Python whitespace matters!

In this example, if you enter a number that is greater than or equal to 18, you’ll see two messages. Indentation: Indentation is very important in Python. Any statement that follows the if statement ...