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Python cmath.pi Constant

❮ cmath Methods

Example

Print the value of PI:

#Import cmath Library
import cmath

# Print the value of pi
print (cmath.pi)
Try it Yourself »

Definition and Usage

The cmath.pi constant returns the value pi: 3.141592653589793.

It is defined as the ratio of the circumference to the diameter of a circle.

Note: Mathematically pi is represented by π.

Syntax

cmath.pi

Technical Details

Return Value: A float value, 3.141592653589793, representing the mathematical constant PI
Python Version: 1.5

❮ cmath Methods