Class: __getitem__ demo : Class getitem « Class « Python

1. Python
2. Class
3. Class getitem

Class: __getitem__ demo

class indexer:
     def __getitem__(self, index):
         return index ** 2

X = indexer()
print X[2]                        # X[i] calls __getitem__(X, i)

for i in range(5): 
     print X[i],             

           
       

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1.

How to call __getitem__