For example, put the cursor anywhere in the def block in the following Python code: class Example: def f(self, x): if x < 5: print "Pointless function." return 0 The command yip (yank inner paragraph) would copy the block. In a similar manner, the command \cip will comment-out the block, resulting in: class Example: # def f(self, x): # if x < 5: # print "Pointless function." # return 0 Later, you could remove the comment signifiers with \Cip. An operator can be used in two ways: Examples: