Mastering In Python Reduce Function With Examples* | How reduce() Works In Python? - Hindi

How to use Reduce() function in Python? / How to use reduce function in python?
How reduce() Works In Python?
map & filter & reduce

Agenda:
What is Python reduce function?
What is the use of reduce () function *?
How to import reduce from functools in Python?
Use case 1, you need to rethink before use "reduce"
Use case 2, code checks whether all the numbers in a given list are greater than zero.
Advantages of using reduce function in Python

The reduce() function is defined in the functools module.
Like the map and filter functions, the reduce() function receives two arguments, a function and an iterable.

from functools import reduce
def mult(x,y):
print("x=",x," y=",y)
return x*y

result = reduce(mult, [1,2,3,4])
print(result)

map vs filter vs reduce
In summary, map applies a function to each element of an iterable,
filter returns only the elements that satisfy a condition,
and reduce aggregates the elements of an iterable into a single value using a function.

Try to avoid functools.reduce

Python's reduce function (in the functools module) can implement a complex reduction
operation with just a single line of code. But that single line of code is sometimes more confusing
and less efficient than an equivalent for loop or another specialized reduction tool that's included with Python.
So I usually recommend avoiding functools.reduce.

You can download code from here -
https://drive.google.com/file/d/18-lNlSeSA6zjz4DRqAiJdO_3QaXU7nYM/view?usp=sharing
For Dataset please download Map class code and zomato dataset

For more:
Difference - Map, Reduce & Filter In Python With Examples

https://www.youtube.com/watch?v=lcIH2cLhY_g

Mastering In Python Filter() With Lambda, List, Dictionary Examples*
https://www.youtube.com/watch?v=AbPlSOfE5bE

How To Use Map () Function In Python?
https://www.youtube.com/watch?v=YLjpR4g-EDY

Mastering In Python Lambda Function
https://www.youtube.com/watch?v=PpyEunl3mCs

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