Exponential value of a x is xth power of e, Euler's constant which is an irrational number called Euler's number and is equal to 2.718281.
There are two ways to calculate it.
Using ** operator
>>> import math >>> math.e**2 #math.e is defined constant in math module 7.3890560989306495
Using exp() function
>>>import math >>> math.exp(2) 7.38905609893065