How to use import statement to load a module

Load a modules

To import only one function with a given name.

After using 'from module import function', you can use the function without its module prefix.

from math import sqrt 
print sqrt(9) 

The code above generates the following result.

Modules can be imported directly using the package or module name.

Items in submodules must be accessed explicitly including the full package name.

import os
print os.path.abspath(".")

The code above generates the following result.

The following code shows the difference between import module and from module import.

import types #   w  w w.  j  a v a2s. co m
print types.FunctionType     

                   
from types import FunctionType                
print FunctionType  

The code above generates the following result.