In [4]:
def cool():
    '''
    say hello function
    '''
    print('hello')

In [5]:
cool()


hello

In [8]:
def greeting(name):
    print('hello %s' %name)

In [9]:
greeting('jose')


hello jose

In [11]:
def add_num(num1,num2):
    return num1+num2

print(add_num('uptown','funk'))


uptownfunk

In [21]:
import math

def is_prime(num):
    '''
    naive method of chking for primes
    '''
    if num % 2 == 0 and num > 2:
        return False
    for n in range(3, int(math.sqrt(num)) + 1, 2):
        if num % n == 0:
            return False
    return True

In [22]:
is_prime(16)


Out[22]:
False

In [23]:
is_prime(7919)


Out[23]:
True

In [ ]: