lambda functions python
remainder = lambda num: num % 2
print(remainder(5))lambda functions python
remainder = lambda num: num % 2
print(remainder(5))lambda function in python
Lamda is just one line anonymous function
Useful when writing function inside function
it can take multiple arguments but computes only one expression
Syntax:
x = lambda arguments : expressionAn example of using lambda
def myfunc(n):
return lambda a : a * n
mydoubler = myfunc(2)
#This prints 22
print(mydoubler(11))lambda expressions
A lambda expression is a short block
of code which takes in parameters
and returns a value. Lambda expressions
are similar to methods, but they do
not need a name and they can be
implemented right in the body of a method.
parameter -> expression
To use more than one parameter, wrap them in parentheses:
(parameter1, parameter2) -> expression
Example
Use a lamba expression in the ArrayList's
forEach() method to print every item in the list:
import java.util.ArrayList;
public class Main {
public static void main(String[] args) {
ArrayList<Integer> numbers = new ArrayList<Integer>();
numbers.add(5);
numbers.add(9);
numbers.add(8);
numbers.add(1);
numbers.forEach( (n) -> { System.out.println(n); } );
}lambda functions python
lambda argument(s): expressionCopyright © 2021 Codeinu
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