Wednesday, 6 August 2025

Python Coding challenge - Day 655| What is the output of the following Python Code?

 


 Code Explanation:

1. Importing the partial Function
from functools import partial
This line imports the partial function from Python’s functools module.
partial() lets you pre-fill (or freeze) some arguments of a function to create a new simplified function.

2. Defining the Original Function
def multiply(a, b, c):
    return a * b * c
This defines a function multiply() which takes three arguments: a, b, and c.
It returns the product of the three numbers: a × b × c.

3. Creating a Partially Applied Function
double_and_triple = partial(multiply, a=2, b=3)
This creates a new function called double_and_triple using partial.
The original function multiply() is partially filled with:
a = 2
b = 3
So now, double_and_triple() only needs one argument: c.
Internally, it works like:
multiply(2, 3, c)

4. Calling the Partial Function
print(double_and_triple(4))
You call double_and_triple(4) → this sets c = 4.
So, the full function becomes:
multiply(2, 3, 4)
The result is:
2 × 3 × 4 = 24

5. Final Output
24
The final printed output is 24.

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