To get the logarithm of a number, we need to find out, to what In Python, the most common log bases are available as a function of the math. The Python LOG function is one of the Python Math function which is used to calculate the logarithmic value of given number with base E. Log and natural logarithmic value of a column in pandas python is carried out using log2(), log10() and log()function in pandas - log function with example. python · Get the number of rows and number of columns in pandas dataframe python. From the documentation: With one argument, return the natural logarithm of x (to base e). With two arguments, return the logarithm of x to the given base. Python offers many inbuild logarithmic functions under the module “math” which allows us . ValueError: This function returns value error if number is negative. import math log2 = houdini-connections.co.uk(x, ) log2 = houdini-connections.co.uk2(x) # python or later If all you need is the integer part of log base 2 of a floating point number. Python Number log() Method - Learn Python in simple and easy steps starting from basic to advanced concepts with examples including Python Syntax Object. These functions cannot be used with complex numbers; use the functions of the same name . With one argument, return the natural logarithm of x (to base e). How to calculate natural log of a number in Python - In the math module two functions for calculation of logarithmic value are defined The log.