Python math.log2() Method
Python math ModulePython math.log2(x)The method returns the base-2 logarithm of x.
Syntax
The syntax of the math.log2() method is as follows:
math.log2(x)
Parameter Description:
- x-- Required, a number. If x is not a number, returns TypeError. If the value is 0 or negative, returns ValueError.
Return Value
Returns a floating-point number (float), representing the base-2 natural logarithm of a number.
Example
The following example returns the base-2 natural logarithm of a number:
Example
# Import the math package
import math
# Output the base-2 natural logarithm of a number
print(math.log2(2.7183))
print(math.log2(2))
print(math.log2(1))
import math
# Output the base-2 natural logarithm of a number
print(math.log2(2.7183))
print(math.log2(2))
print(math.log2(1))
Output:
1.4427046851812222 1.0 0.0Other Extensions