functions

1. def 함수명(인자이름):   <- 콜론!

# Define your spam function starting on line 5. You

# can leave the code on line 11 alone for now--we'll

# explain it soon!

def spam():

    """printing eggs! in console"""

    print "Eggs!"

# Define the spam function above this line.

spam()

2. 함수 호출하기

def square(n):

    """Returns the square of a number."""

    squared = n**2

    print "%d squared is %d." % (n, squared)

    return squared

    

# Call the square function on line 9! Make sure to

# include the number 10 between the parentheses.

square(10)

3. 함수 인자 사용방법

def power(base, exponent):  # Add your parameters here!

    result = base**exponent

    print "%d to the power of %d is %d." % (base, exponent, result)

power(37,4)  # Add your arguments here!

4. 함수 안에서 함수 사용하기

def one_good_turn(n):

    return n + 1

    

def deserves_another(n):

    return one_good_turn(n) + 2

5. 함수 만들기 연습

def cube(number):

    return number**3

def by_three(number):

    if number%3 == 0:

        return cube(number)

    else :

        return False