Python function Learning Notes

#!/usr/bin/env python    
#个人学习笔记, no other use   
def add (x=9,y=10):    
    if x>y:    
        a=x+y    
        print "X+y"
        return A    
    if x<y:    
        a=y-x    
        print "Y-x" return
        a    
    if x==y:    
        a=x*y    
        print "X*y" return
        A Print Add (2,3) print add (    
5,4)    
print Add (6,6)

Pass the value of an array to the function

#!/usr/bin/env python    
        
t= (' name ', ' Tom ')    
        
def f (x,y):    
    print "%s:%s"% (X,y)    
f (1,2)    
f (*t)

Passing the value of a dictionary to a function

#!/usr/bin/env python    
        
d={' age ': ' Name ': ' Tom '}    
def f (name= ' Lisa ', age=23):    
     print ' name---%s '% name    
     print ' age----%s '% Age    
f (**d)    
#如果是一个 *, passing the key in the dictionary, two * *, passing the value in the dictionary

Handling Redundant parameter Passes

#!/usr/bin/env python    
def f (x,*args):    
     print x    
     print args    
f (1,2,3,4)    
#结果显示为   
1 (2, 3, 4) # 2,3,4 as a whole passed to args.

def m (x,*args,**kwords):    
     print x    
     print args    
     print kwords    
m (1,2,3,4,5,args=2)    
#运行结果   
1 (2 , 3, 4, 5) {' Args ': 2}