関数

def 関数名(引数名 = '引数の初期値'):
    return 戻り値

def function_name():
    print("value")

function_name()

def function_name():
    return "value"

print(function_name())

def function_name(argument_01, argument_02):
    print(argument_01 + argument_02)

print("value_01", "value_02")

def function_name(argument_01 = "value_01"):
    print(argument_01)

function_name()
function_name("value_02")

def function_name():
    pass