There is a strong chance that you sometimes forget to use the built-in functions of python. Say you forgot how to use the fabs function of the math module. There could be two possible ways to do it: ...

import math The Math Library not only has functions but also useful constants like π and e. To use the functions or the constants in your program you must apply the dot operator. The general syntax ...

import math The Math Library not only has functions but also useful constants like π and e. To use the functions or the constants in your program you must apply the dot operator. The general syntax ...

General imports, like import math, make all functionality from the math package available to you. However, if you decide to only use a specific part of a package, you can always make your import ...