chapter 8

Functions

# def greet(name):
#     print("Good morning, " + name)

# def mySum(num1, num2):
#     return num1 + num2

# greet("Onam")
# s = mySum(76, 4)
# print(s)


def greet(name ="Stranger"):
    print("Good morning, " + name)

greet()





'''
def percent (marks):
    return (sum(marks)/400)*100

marks1 = [10, 10, 10, 10]
percentage1 = percent(marks1)

marks2 = [75, 98, 88, 78]
percentage2 = percent(marks2)
print(percentage1, percentage2)
'''

Recursion

# n! = 1*2*3*4*5*...(n-1)*n

# 
# n = 0
# product = 1
# for i in range(n):
#     product = product * (i+1)
# print(product)

'''
def factorial_iter(n):
    product = 1
    for i in range(n):
        product = product * (i+1)
    return product

print(factorial_iter(4))
'''

def factorial_recursive(n):
    if n ==1 or n ==0:
        return 1
    return n * factorial_recursive (n-1)

f = factorial_recursive(4)
print(f)