2.1 Numbers
The two most frequently used forms of numbers in Python are integers and floating-point. An integer contains no decimal point and can be negative, zero, or positive.
-4
-4
0
0
837375400388826538847463290993837000004846673
837375400388826538847463290993837000004846673
As you can see, integers can be quite large. Python uses the type
int for integers. We’ll learn more about this later, but it’s
common to say something like “-17 is an int.”
A floating-point number, known as a float, contains a decimal
point but is sometimes limited in how much information the system retains from what you type or
what is computed.
-3.6836
-3.6836
17.9817359935767429962445362777253636
17.98173599357674
Here we lost precision when we had too many digits to the right of the decimal point for Python to store. If there are...
