Chapter 1

Working with Numbers, Text, and Dates


Bullet Mastering whole numbers

Bullet Juggling numbers with decimal points

Bullet Simplifying strings

Bullet Conquering Boolean true/false

Bullet Uncovering dates and times

Computers in general, and certainly Python, deal with information in ways that are different from what you may be used to in your everyday life. This takes some getting used to. In the computer world, numbers are numbers you can add, subtract, multiply, and divide. Python also differentiates between whole numbers (called integers) and numbers that contain a decimal point (called floats). Words (textual information like names and addresses) are stored as strings, which is short for “a string of characters.”

In addition to numbers and strings, there are Boolean values, which can be either True or False, but nothing else. In real life, we also have to deal with dates and times, which are yet another type of information. Python doesn't actually have any built-in data type for dates and ...

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