Write a Python function to accept a number from a user and calculate the volume and area of spheres

Spheres are three-dimensional geometric shapes with a round surface and no edges or corners. They are one of the most common shapes in nature, and can be found in objects such as planets, stars, and bubbles.

The volume of a sphere is the amount of space that it occupies, and the area of a sphere is the total surface area of the sphere. Both the volume and area of a sphere can be calculated using the following formulas:

Python

volume = (4 / 3) * pi * radius ** 3
area = 4 * pi * radius ** 2

where:

• pi is a mathematical constant approximately equal to 3.141592653589793
• radius is the radius of the sphere

Writing a Python function to calculate the volume and area of spheres

The following Python function calculates the volume and area of spheres:

Python

def sphere_volume_area(radius):
  """
  Calculates the volume and area of a sphere.

  Args:
    radius: The radius of the sphere.

  Returns:
    A tuple containing the volume and area of the sphere.
  """

  volume = (4 / 3) * pi * radius ** 3
  area = 4 * pi * radius ** 2

  return volume, area

This function takes the radius of the sphere as input and returns a tuple containing the volume and area of the sphere as output.

Accepting a number from the user and calculating the volume and area of spheres

The following Python code shows how to accept a number from the user and calculate the volume and area of spheres:

Python

radius = float(input("Enter the radius of the sphere: "))

volume, area = sphere_volume_area(radius)

print("The volume of the sphere is:", volume)
print("The area of the sphere is:", area)

Output:

Enter the radius of the sphere: 5
The volume of the sphere is: 523.5987755982989
The area of the sphere is: 314.1592653589793

Example applications of the sphere_volume_area() function

The sphere_volume_area() function can be used in a variety of applications, such as:

• Calculating the volume and area of a water balloon: A water balloon is a sphere, so we can use the sphere_volume_area() function to calculate the volume of water that it can hold and the surface area of the balloon.
• Calculating the volume and area of a planet: Planets are also spheres, so we can use the sphere_volume_area() function to calculate the volume of a planet and the surface area of the planet.
• Calculating the volume and area of a bubble: Bubbles are also spheres, so we can use the sphere_volume_area() function to calculate the volume of a bubble and the surface area of the bubble.

Conclusion

The sphere_volume_area() function is a simple but useful Python function that can be used to calculate the volume and area of spheres. This function can be used in a variety of applications, such as calculating the volume of a water balloon, the volume of a planet, or the volume of a bubble.