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Python: Calculate volume of sphere

Python Basic: Exercise-15 with Solution

Write a Python program to get the volume of a sphere with radius 6.

Python: Volume of a Sphere

A sphere is a three-dimensional solid with no face, no edge, no base and no vertex. It is a round body with all points on its surface equidistant from the center. The volume of a sphere is measured in cubic units.

The volume of the sphere is : V = 4/3 × π × r3 = π × d3/6.

Python : Get the volume of a sphere with radius 6

Sample Solution :-

Python Code:


pi = 3.1415926535897931
r= 6.0
V= 4.0/3.0*pi* r**3
print('The volume of the sphere is: ',V)

Sample Output: 

The volume of the sphere is:  904.7786842338603

Flowchart:

Flowchart: Get the volume of a sphere with radius 6.

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Python: Tips of the Day

Find current directory and file's directory:

To get the full path to the directory a Python file is contained in, write this in that file:

import os 
dir_path = os.path.dirname(os.path.realpath(__file__))

(Note that the incantation above won't work if you've already used os.chdir() to change your current working directory, since the value of the __file__ constant is relative to the current working directory and is not changed by an os.chdir() call.)

To get the current working directory use

import os
cwd = os.getcwd()

Documentation references for the modules, constants and functions used above:

  • The os and os.path modules.
  • The __file__ constant
  • os.path.realpath(path) (returns "the canonical path of the specified filename, eliminating any symbolic links encountered in the path")
  • os.path.dirname(path) (returns "the directory name of pathname path")
  • os.getcwd() (returns "a string representing the current working directory")
  • os.chdir(path) ("change the current working directory to path")

Ref: https://bit.ly/3fy0R6m