How do I pass a command line argument in IDLE?

How do I pass a command line argument in IDLE?

1) You can call your “main” function directly on the IDLE console with arguments if you want. 2) You can add a test line in front of your main function call which supplies an array of arguments (or create a unit test which does the same thing), or set sys. argv directly.

Why is my Python IDLE not working?

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 start IDLE from command prompt?

7 Answers

1. In a Windows shortcut, this becomes C:\Python34\python.exe -m idlelib “path/to/script.py” .
2. This works perfectly fine in my Windows 10 machine.
3. You can use pythonw.exe (note extra ‘w’ in name) on Windows to avoid the command window showing behind IDLE.

How do I run a Python script IDLE with arguments?

Run the sys. argv command once in the IDLE shell; then use execfile(‘wordcount.py’) to run the script, with those arguments.

How do I open 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.

How do you pass a command line argument in Python?

Using getopt module

1. Syntax: getopt.getopt(args, options, [long_options])
2. Parameters:
3. args: List of arguments to be passed.
4. options: String of option letters that the script want to recognize.
5. long_options: List of string with the name of long options.

How do you pass a command line argument in python shell?

Python – Command Line Arguments

1. Example. Consider the following script test.py − #!/usr/bin/python import sys print ‘Number of arguments:’, len(sys.
2. Parsing Command-Line Arguments. Python provided a getopt module that helps you parse command-line options and arguments.
3. getopt. getopt method.
4. Exception getopt. GetoptError.

Why my Python IDLE is not opening on Mac?

Check the following in System Preferences. Apple Menu (upper left corner) -> System Preferences -> Security & Privacy. Then click on the Privacy tab, scroll to and click on Files and Folders, then look for a Python. app (not IDLE.

How do I run Python code in IDLE?

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.