Approximating compund interest (to find e) and Maclaurin series to find similarities

Maclaurin_e.py

def factorial(x):
    if x == 1 or x == 0:
        return 1
    else:
        return x * factorial(x - 1)

def calcualte_val(lam:int,k:int):
    return ((lam ** k)/factorial(k))

def calcualte_macleairen(lamb:int,k:int):
    sum = 0
    
    for i in range(k):
        sum += calcualte_val(lamb,i)
        #print(sum)
    
    return sum

def calculate_e(k:int):
    return ((1 + (1/k))**k)
    
print(calcualte_macleairen(1,7))

print(calculate_e(100000))