Comment all lines in python
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We often need to comment out block of codes in python while testing or debugging the code. When a block is turned into a python comment, it doesn’t contribute in output of the program and helps to determine which function or block is generating error in the program. In this article, we will look at some shortcut to comment out multiple lines of code at once in different python IDEs. Lets see examples for each IDE one by one. In spyder python IDE, we can comment a single line of code by selecting the line and then using the key combination
After pressing
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. This turns the entire selected lines into a python comment as shown below.
After pressing ctrl+4:
We can also use Shortcut to comment out multiple lines in IDLETo comment out a block of code in IDLE, we have to first select the line and then press the key combination ctrl+D. This will comment out the selected lines of code as shown below.
After pressing
To uncomment the lines of code, we just have to select the lines and then press Shortcut to comment out multiple lines in Jupyter NotebookWe can use ctrl+/ to comment out the selected lines of python code in Jupyter Notebook. This turns selected lines of code into comment as shown below.
After pressing
To uncomment the selected lines, we just have to again press Comment out multiple lines in PycharmIf we have to comment out multiple lines of code in Pycharm, we can select the lines to be commented out and then press ConclusionIn this article, we have seen shortcuts to comment out multiple lines at once in python different IDEs like spyder, IDLE, Jupyter Notebook and PyCharm. Stay tuned for more informative articles. Recommended Python TrainingCourse: Python 3 For Beginners Over 15 hours of video content with guided instruction for beginners. Learn how to create real world applications and master the basics. How do you comment out everything in Python?Python Multiline Comments
Everything between /* and */ is ignored by the program. While Python doesn't have native multiline commenting functionality, you can create multiline comments in Python.
What is the shortcut to comment all in Python?We can use ctrl+/ to comment out the selected lines of python code in Jupyter Notebook. This turns selected lines of code into comment as shown below. To uncomment the selected lines, we just have to again press ctrl+/ .
How do you comment multiple lines in idle Python?For commenting a line, bring the cursor to the line that you want to comment and press Alt+4. To uncomment an existing comment, press Alt+3.
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