#!/usr/bin/env python # Filename: seq.py shoplist=['apple','mango','carrot','banana'] # Indexing or 'Subscription' operation print 'Item 0 is', shoplist[0] print 'Item 1 is', shoplist[1] print 'Item 2 is', shoplist[2] print 'Item 3 is', shoplist[3] print 'Item -1 is', shoplist[-1] print 'Item -2 is', shoplist[-2] # Slicing on a list print 'Item 1 to 3 is', shoplist[1:3] print 'Item 2 to end is', shoplist[2:] print 'Item 1 to -1 is', shoplist[1:-1] print 'Item start to end is', shoplist[:] # Slicing on a string name='swaroop' print 'characters 1 to 3 is', name[1:3] print 'characters 2 to end is', name[2:] print 'characters 1 to -1 is', name[1:-1] print 'characters start to end is', name[:] 
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这里只有精品视频