Why is my Python IDLE not opening?

Why is my Python IDLE not opening?

Right-click the “. idlerc” folder and select Properties. Uncheck the “Hidden” attribute if it’s active and apply the new settings. Test the change by editing a script tool or opening Python IDLE again.

How do I open the Python window in IDLE?

To open Idle with an initial file to edit, select the Python file in an operating system window, right click (Windows) or control-click (Mac), to get a pop-up window to select how to open the file. On Windows, the line for Idle requires you to open a sub-menu. Select Idle for the latest version.

How do I use IDLE GUI in Python?

To execute a file in IDLE, simply press the F5 key on your keyboard. You can also select Run → Run Module from the menu bar. Either option will restart the Python interpreter and then run the code that you’ve written with a fresh interpreter.

How do I get Python IDLE back?

IDLE lets you go back and edit your mistakes using command history….Command history

1. Use the up arrow key to go back to the line you want to run again.
2. Press Enter.
3. Use the arrow, Backspace, and Delete keys to edit the line.

How do I get edit with IDLE?

Scroll down till you find “. py” file type and click on the icon and choose “Python”(has a little rocket ship in the icon). This will change your default app back to “Python.exe”, and the context menu “edit with idle” will appear once again on your “.

Why is Python not working Windows 10?

The most common cause of this error is the PYTHONPATH and PYTHONHOME environment variables. You can see what environment variables are set by the “set” command.

How do you clear the screen in Python 3.7 IDLE?

1. Type python and hit enter to turn windows command prompt to python idle (make sure python is installed).
2. Type quit() and hit enter to turn it back to windows command prompt.
3. Type cls and hit enter to clear the command prompt/ windows shell.

How do I get suggestions on IDLE?

As it says in the settings of IDLE, you can trigger the autocomplete with “Control + Space”, e.g. after a “QtGui.”. Then a menu opens where you can arrow-scroll through the entries. Highly active question.

How do I uncomment Python IDLE?

Short-key for commenting using IDLE 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. The comment/uncomment options are available under the Format menu.

How do I edit a Python IDLE?

You can also open IDLE directly from your Python script file. Right click the file, then choose “Edit with IDLE”. Rather than going through the “Run…” menu, learn to use F5 (on some systems, Fn + F5) to run your script. It’s much quicker.

How do I change IDLE in Python?

IMPORTANT: To open your Python file again, locate the file in the folder, click once on the file name it to highlight it, then right-click on the mouse to see the options shown in the screen below, and select Edit with IDLE to open the editor window.

What to do when Python Idle won’t start?

Right click on (My) Computer, go to properties, Advanced Tab, press Environment Variables and edit TCL_LIBRARY to indicate the Python path e.g C:\\Python26 cl cl8.5 (or enter the path that represents your version. Idle should start then. I noticed that this is an issue when you install other programs that may depend on the TCL Library.

Can you edit files in idle in Python?

I cannot edit files in IDLE either. The only thing that works is running the IDLE.bat which then opens the Python Shell. I do have Python 2.7 installed via Arc (thus my installation for Python is in C:\\Python27\\ArcGIS10.4).

Why does Python Idle not start after installing Scilab?

Idle should start then. I noticed that this is an issue when you install other programs that may depend on the TCL Library. Happened to me after I installed SciLab. Therefore changing the variable may cause issues with another installed app. Hope this helps.

Where do I Find my customization files in idle?

When starting up, IDLE accesses both its own files in Lib/idlelib and user customization files in $HOME/.idlerc. The latter are shared across all python/IDLE installations on the machine. The error message you got indicates that some file ‘suddenly’ became corrupted so that it was seen as mis-encoded.