写了个函数调用，没有输出

tomer

1. 
   
2. def in_fridge():
   
3.   try:
   
4.     count=fridge[wanted_food]
   
5.   except KeyError:
   
6.     count=0
   
7.   return count
   
8. fridge={'apples':10,'oranges':3,'milk':2}
   
9. wanted_food='apples'
   
10. in_fridge()
    

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Northland

Line 9:   print  in_fridge()

tomer

回复 2# Northland

1. 
   
2. [root@VM ~]# more file
   
3. def in_fridge():
   
4.   try:
   
5.     count=fridge[wanted_food]
   
6.   except KeyError:
   
7.     count=0
   
8.   return count
   
9. fridge={'apples':10,'oranges':3,'milk':2}
   
10. wanted_food='apples'
    
11. print in_fridge()
    
12. [root@VM ~]# python file
    
13.   File "file", line 9
    
14.     print in_fridge()
    
15.                   ^
    
16. SyntaxError: invalid syntax
    

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tomer

知道了，应该写成

1. 
   
2. print(in_fridge())
   

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