Introduction to Python: 2018 Edition by Mark Lassoff & Julius Hernandez

Author:Mark Lassoff & Julius Hernandez [Lassoff, Mark]
Language: eng
Format: azw3, epub
Publisher: LearnToProgram.tv, LLC.
Published: 2018-04-10T04:00:00+00:00

Figure 6.13. The expected output from our sample program, where age = 23 is evaluated as true, since 23 >= 18.

If we change age = 17, then save and run the program again, we now get the Ineligible to buy alcohol output, since age=17 is evaluated as false, as it does not meet the age >= 18 condition[SW5].

Figure 6.14. The expected output from our sample program, where age = 17 is evaluated as false, since 17 >= 18.

As you can see from the above examples, the ternary operator puts the logic of the If…Else statements we discussed in the previous section all together in one line.

Let’s add a couple of lines using the ternary operator to our program.

Enter the following on the editor window:

citizen = “true”

print (‘You may vote’ if citizen == “true” else ‘You may not vote’)

After saving and running the program, since citizen = “true”, the output would be You may vote. If citizen = “false”, the output would be You may not vote instead.

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