Python Modules
Python Tutorial » Python Modules
Modules make refer to a file containing Python statements and definitions.
A file containing Python code, for example: my_file_name.py is called a module, and its module name would be example. We use modules like many other programs to break down large programs into small one manageable and organized files.
Create a Module
Creating a python module just save the code you have in a file with extension .py:
Example: Save the code below in a file named example.py
Output:
def add(a, b):
#This program adds two
#numbers and return the result
result = a + b
return result
#This program adds two
#numbers and return the result
result = a + b
return result
Output:
How to import modules in Python?
We use "import" (without quotes) keyword to do this. To import our module my_file, we type the following:
Example:
import my_file
Output:Python import statement
We can import a module using the import statement and access the definitions inside it using the dot operator as described above.
Example:
The value of pi is 3.14159
import math
print("The value of pi is", math.pi)
Output:The value of pi is 3.14159
Import with renaming
To import a module by renaming type the following code:
Example: Create an alias for my_file called filexx:
import my_file as filexx
a = mx.person1["age"]
print(a)
Output:a = mx.person1["age"]
print(a)
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Python Modules - python
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