Using functions to structure code makes writing programs easier in several ways:

• Modularity: Functions break down a program into smaller, more manageable pieces. This makes the code easier to understand, maintain, and modify.
• Reusability: Functions can be reused throughout a program, or even in other programs. This saves time and effort, and it also helps to reduce errors.
• Abstraction: Functions can be used to abstract away complex details of a program. This makes the code easier to read and understand, and it also makes it easier to change the implementation of a program without affecting the rest of the code.

Here is an example of a function that illustrates the benefits of using functions to structure code:

def calculate_triangle_area(base, height):
  """Calculates the area of a triangle.

  Args:
    base: The base of the triangle.
    height: The height of the triangle.

  Returns:
    The area of the triangle.
  """

  area = (base * height) / 2
  return area

# Example usage:

triangle_area = calculate_triangle_area(10, 5)
print(triangle_area)

This function calculates the area of a triangle, given the base and height of the triangle. The function is modular, reusable, and abstract:

• Modular: The function is a self-contained unit of code that performs a specific task. This makes the code easier to understand and maintain.
• Reusable: The function can be reused throughout a program, or even in other programs. This saves time and effort, and it also helps to reduce errors.
• Abstract: The function abstracts away the complex details of calculating the area of a triangle. The user of the function does not need to know how the function works in order to use it.

Other benefits of using functions

In addition to the benefits listed above, using functions to structure code can also help to:

• Improve the readability and maintainability of code: Functions can be used to break down a program into smaller, more manageable pieces. This makes the code easier to read and understand, and it also makes it easier to maintain.
• Reduce the risk of errors: Functions can be tested independently of the rest of the code. This helps to reduce the risk of errors in the code.
• Improve the performance of code: Functions can be used to optimize the performance of code by avoiding redundant calculations.

Overall, using functions to structure code is a good practice that can make writing programs easier and more efficient.