src/tools/benchmark_tool/benchmark_tool/dataset/dataset.py
def back(self):
        """
        Make the cursor move backward of one position.

        @return: None
        """
        if self._current_elem > 0:
            self._current_elem -= 1

        Make the cursor move backward of one position.

        @return: None
        
Make the cursor move backward of one position.
Make the cursor move backward of one position .
def back(self):
        if self._current_elem > 0:
            self._current_elem -= 1
def back ( self ) : if self . _current_elem > 0 : self . _current_elem -= 1
Make the cursor move backward of one position.
Make the cursor move backward of one position .
"""
        Make the cursor move backward of one position.

        @return: None
        """
None
self