Here is the most basic example of how to subtract two numbers in Python.

#!/usr/bin/python
print(5 - 1)

It is much more common to store the result in a variable.

#!/usr/bin/python
result = (5 - 1)
print(result)

Which should return the following.

2

Decimal numbers

By default, decimal will be used.

#!/usr/bin/python
result = (5.7 - 1.3)
print(result)

Which should return the following.

4.4

Whole numbers

round can be used to round to whole numbers.

#!/usr/bin/python
result = round(5.7 - 1.3)
print(result)

Which should return the following.

4.0