day 6 返回值，参数

In [3]: def divid(a,b):
   ...:     shang = a//b
   ...:     yushu = a%b
   ...:     return shang,yushu
   ...: 

In [4]: sh, yu = divid(5,2)        #元组方式返回 （2,1）

In [5]: sh
Out[5]: 2

In [6]: yu
Out[6]: 1

####  两天的营业额
 def add(a,b):
     result = a + b
     print(result)
 
 add(11,22)

def add(a,b,*args):
    print("------")
    print(a)
    print(b)
    print(args)
    #result = a + b
    #print(result)


add(11,22,55,66,77,88)    #(55,66,77,88)
add(11,22,33)             #(33,)
add(11,22)　　　　　　　　　　#()
add(11)   #报错 形参b没有值

def add(a,b,*args):

    result = a + b
    print(a,b,args)

    for temp in args:
        result = temp + result

    print(result)

add(1,12,23,34,45,55,66,77,88,99)

 def add(a,b,*args):
     print("-"*30)
     print(a)
     print(a)
     print(*args)
 
     result = a+b
     for temp in args:
         result += temp
 
     print("result=%d"%result)
 
 add(11,22)
 add(11,22,33)
 add(11,22,33,44,55,66)

#最复杂的带参数的
def test(a,b,c=33,*args,**kwargs):
     print(a)                        #必须传递的参数a，b
     print(b)
     print(c)                        #可选的 c
     print(args)                   #*多余的没有名字的 args
     print(kwargs)                 #**多余的有名字的 kwargs
 
 test(11,22,33,44,55,66,task=99,done=98)
　

###### 拆包之前
 def test(a,b,c=33,*args,**kwargs):
     print(a)
     print(b)
     print(c)
     print(args)
     print(kwargs)
 
 #test(11,22,33,44,55,66,task=99,done=98)
 
 A = (44,55,66)
 B = {"name":"alex","age":18}
 
 test(11,22,33,A,B)

####  运行结果
11
22
33
((44, 55, 66), {‘age‘: 18, ‘name‘: ‘alex‘})            #A,B是传递的参数
{}                                                   #没有传入命名参数    
    

####   拆包之后
 def test(a,b,c=33,*args,**kwargs):
     print(a)
     print(b)
     print(c)
     print(args)
     print(kwargs)
 
 #test(11,22,33,44,55,66,task=99,done=98)
 
 A = (44,55,66)
 B = {"name":"alex","age":18}
 
 test(11,22,33,*A,**B)


####  运行结果
11
22
33
(44, 55, 66)
{‘age‘: 18, ‘name‘: ‘alex‘}