code: def close_cursor(self, handle):
          '''
          Closes the cursor specified and removes it from the `self.cursors`
          dictionary.
  
          '''
  
          if handle in self.cursors:
              self.cursors[handle].close()
          else:
              raise KeyError('cursor with handle %s was not found' % handlef close_cursor(self, handle):
          '''
          Closes the cursor specified and removes it from the `self.cursors`
          dictionary.
  
          '''
  
          if handle in self.cursors:
              self.cursors[handle].close()
          else:
              raise KeyError('cursor with handle %s was not found' % handle)
docs: Closes the cursor specified and removes it from the `self.cursors`
          dictionary.