#42 Python Tutorial for Beginners | Anonymous Functions | Lambda

Pubblicato il: 05 agosto 2018
sul canale di: Telusko
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In this lecture we will learn:
Anonymous Function in Python
What are lambda functions?
How to define lambda functions?
Normal and Anonymous functions in Python
Advantages of lambda fucntions


#1
Normal functions are defined by using the def keyword and function name.
A function without a function name is known as an Anonymous function.
Anonymous function is called a lambda function.
Functions are objects in Python so we can also pass a function in a function.
Instead of defining a function, we can directly define it whenever it is required to use.
We have to use the lambda keyword to directly define the function in one line.
We need to store the lambda function in a variable as the function is also an object.
Then, that variable will define the function and we can also use it in other functions.
We can pass any number of arguments in a lambda function but it should be only one expression.
Lambda functions are syntactically restricted to a single expression.

#2
Advantages of Lambda Function:-
Lambda function supports single-line statements that return some value.
It is useful when we have to perform short operations and data manipulations.
It saves the time as it requires less time to read the code.



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