Python Improved Logic to Calculate Factorial
I am practicing Python programming. In this post, I have explained logic to calculate the factorial using a function. This function you can call it a user-defined function. The name of the function is factorial.py.
In real-time, you can write a program in a file and run it in python console. The main task of a developer is to create functions for the reusable code. They call these functions whenever they need.
Factorial calculation program for supplied input value.
Factorial Logic in Python. I have completed this logic in 3 steps.
- Write factorial.py
- Import
- Execute it
Write Factorial.py
Here you need to define a function. Use 2 for loops, and write your logic. This is done on LInux operating system. You can also try on Linux.
After, ESC command
Use, :wq to come out of the module.
Import Factorial.py
Go to Python console, using 'python' command. Use import factorial.py command.
Execute Factorial.py
>>> factorial.fact(5)
It will show the result of factorial.
Bottom line
Factorial of 5 = 1x2x3x4x5= 120
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