[파이썬] 함수 활용하기 예제

 

예제 1

def add(first, second):
    return first + second
print(add(3,2))

#함수 헤더 : def add(first, second)
#함수 보디 : : return first + second
#매개변수 : first, second
#인수 : 3, 2
#리턴값 : 5

 

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예제 2

def no_return():
    pass
def no_return_value():
    return

print(no_return())
print(no_return_value())

 

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예제 3

def print_elements(arg):
    for x in arg:
        print(x)
        
print_elements(["Sun", "is", "rising"])

 

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예제 4

def power(base, exp):
    return base ** exp
print(power(3,2))
print(power(10,-2))

 

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예제 5

def square(dataset):
    result = []
    for x in dataset:
        result.append(x*x)
    return result
print(square([3,2,5]))
print(square([323,60]))

 

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예제 6

def dict_to_list(dataset):
    result = []
    for x in dataset:
        result.append([x,dataset[x]])
    return result

data = {"my_key":"my_value","your_key":"your_value"}
print(dict_to_list(data))

 

 

 

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예제 7

def count_down(number):
    result = []
    for x in range(number):
        result.append(number-x)
    return result
print(count_down(10))