To uncomment the selected lines, we just have to again press ctrl+/. This turns selected lines of code into comment as shown below. We can use ctrl+/ to comment out the selected lines of python code in Jupyter Notebook. Shortcut to comment out multiple lines in Jupyter Notebook To uncomment the lines of code, we just have to select the lines and then press ctrl+shift+d. class MyNumber():Īfter pressing ctrl+D: # class MyNumber(): This will comment out the selected lines of code as shown below. To comment out a block of code in IDLE, we have to first select the line and then press the key combination ctrl+D. Shortcut to comment out multiple lines in IDLE In some versions of Spyder ctrl+5 can be used to uncomment the lines of code. We can also use ctrl+1 to uncomment the lines after selecting them when they are commented out or comment out the lines after selecting them to comment them out. # It describes what the method does, what are its calling conventions and # '''This is the docstring for this method. # It describes what this class does and all its attributes.''' # '''This is the docstring of this class. It describes what the method does, what are its calling conventions andĪfter pressing ctrl+4: # = '''This is the docstring for this method.

It describes what this class does and all its attributes.''' This turns the entire selected lines into a python comment as shown below. The shortcut to comment out multiple lines of code in spyder IDE is to first select all the lines which need to be commented out and then the key combination ctrl+4 is pressed. #print('This line will be commented out.')

Jupyter lab comment multiple lines