Python Lambda Function
In Python, a lambda function is a small anonymous function that can have any number of arguments but only one expression. Lambda functions are syntactically restricted to a single expression and are used when you need a simple function for a short period of time.
Here’s an example of a lambda function in Python:
my_lambda = lambda x: x*2
print(my_lambda(5)) # Output: 10
When executed, this code will create a lambda function that takes one argument (x) and doubles it. The lambda function is then called with the argument 5, resulting in an output of 10.
Lambda functions are often used in conjunction with functions like map()
, filter()
, and reduce()
to perform operations on iterable objects like lists. They can also be used to create cleaner and more concise code in certain situations.
While lambda functions can be powerful tools in Python programming, they should be used judiciously and only for simple operations. In more complex scenarios, it is recommended to define a regular function for better readability and maintainability.
Overall, lambda functions are a handy feature of Python that can help you write more concise code when needed. Just remember to use them wisely and keep your code clear and easy to understand for yourself and others.