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Python Functions

Sure thing! In Python, a function is a reusable block of code that performs a specific task. It takes some input, processes it, and returns a result. Functions help in organizing code, making it more readable, and promoting code reusability.

Example:

# Define a function named add_numbers that takes two parameters, a and b
def add_numbers(a, b):
    # Inside the function, perform the addition
    result = a + b
    # Return the result
    return result

# Now, let's use the function
# Call the add_numbers function with arguments 5 and 3
sum_result = add_numbers(5, 3)

# Print the result
print("Sum:", sum_result)
Python

In this example:

  • We define a function add_numbers that takes two parameters a and b.
  • Inside the function, we add a and b and store the result in a variable called result.
  • The return statement is used to send the result back to the caller.
  • Outside the function, we call add_numbers(5, 3), passing the values 5 and 3 as arguments.
  • The returned result is stored in the variable sum_result.
  • Finally, we print the result, which is the sum of 5 and 3.

This is a basic example, but functions can be more complex and include conditional statements, loops, and other logic. They are a fundamental concept in Python programming and are used extensively in building modular and maintainable code.

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