ITI 1120 Chapter Notes - Chapter 5: If And Only If, Empty String, Order Of Newfoundland And Labrador
23 Mar 2018
School
Department
Course
Professor
Document Summary
We willl introduce statements for making choices called control flow statements. Control the way the computer executes programs. These statements involve a python type is used to represent truth or false. This type has 2 values and 3 operators. Unlike int or float which can have billions of possible values, bool only has 2: True or false: true and false are values just like 5 or . 27. There are only 3 basic boolean operators: and, or, and, not. Not has the highest precendee followed by and, followed by or. Not - it is applied to just one value. An expression involving not produces true if the original value is false, and vice versa. We can simple just write true, instead of not false, but this is useful for more complex functions. And- binary operator the expression left and right produces true if both left and right is true, and it produces false otherwise:
