use python code

e ** x = x ** 0/0! + x ** 1/1! + x ** 2/2! + x ** 3/3! + x ** 4/4! + To calculate it you need to calculate the factorial: 0! = 1, 1! = 1, 2! = 1 * 2, 3! = 1 * 2 * 3, n! = 1 * 2 * 3 * * n

def factorial (n):

def e_page (x):

# Examples of test cases print (factorial (3)) # 6 print (e_square (1)) # 2.7182818284590455