Lambda functions are small anonymous functions defined using the lambda keyword. They can have any number of parameters but only one expression.

Syntax:

lambda arguments: expression

Example:

add = lambda x, y: x + y
print(add(5, 3))

Output:

8

Real-world Example:

Praveen uses a lambda function to sort a list of tuples by the second element:

data = [(1, 3), (2, 2), (3, 1)]
sorted_data = sorted(data, key=lambda x: x[1])
print(sorted_data)

Output:

[(3, 1), (2, 2), (1, 3)]

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