Python math.tau Constant

Python math 模块Python math Module

Python math.tauReturns the mathematical constant τ = 6.283185..., tau is a circle constant equal to 2π, the ratio of a circle's circumference to its radius.

The tau value is 6.283185307179586.

Syntax

The syntax of the math.tau constant is as follows:

math.tau

Return Value

Returns a floating-point number 6.283185307179586, representing the ratio of a circle's circumference to its radius.

Example

The following example returns tau:

Example

# Import the math package
import math

# Output tau
print (math.tau)

Output result:

6.283185307179586

Python math 模块Python math Module

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