MacQueen

User Tools

Site Tools

Trace: • python
python

Differences

This shows you the differences between two versions of the page.

Link to this comparison view

Both sides previous revisionPrevious revision
Next revision		Previous revision
python [2026/03/08 22:28] – [Passing Variables] donaldpython [2026/04/28 16:34] (current) – [error: externally-managed-environment] donald
Line 1: Line 1:
 ====== Python ====== ====== Python ======
 +
 +===== create window usb install =====
 +
 +=== Using WoeUSB-NG (Recommended GUI) ===
 +<code>
 +sudo apt update
 +sudo apt install git p7zip-full python3-pip python3-wxgtk4.0
 +
 +sudo pip3 install WoeUSB-ng --break-system-packages
 +</code>
 +
 +Run woeusb from the application menu
 +
 +===== error: externally-managed-environment =====
 +
 +<code>
 +pip install <package-name> --break-system-packages
 +</code>
  
 ===== Testing for odd ===== ===== Testing for odd =====
Line 8: Line 26:
     print(f"{num} is odd.")     print(f"{num} is odd.")
 </code> </code>
 +
 +===== Lists =====
 +
 +  * Lists are Python's version of arrays.
 +  * They are mutable and zero based indexed.
 +  * list = ['tom', 'dick', 'harry']
 +  * if 'tom' in list returns true
 +
 +===== Importing code =====
 +
 +  * from //machine import PIN// means get the PIN class from the file machine
 +  * from //ir_rx.nec import nec_8// means get the NEC_8 class from the file nec in the directory ir_rx
 +
 +===== Range =====
 +
 +  * Range is start, stop, step to generate a range of numbers
 +<code>
 +# print 0 - 4
 +for i in range(5):
 +    print(i)
 +</code>
 +
 +
 +
 +    
          
 ===== Passing Variables ===== ===== Passing Variables =====
  
 +  *** Use classes!**
   * Python will not change what I think are global variables in functions.   * Python will not change what I think are global variables in functions.
   * If, for example, you have a variable xyzzy, and you reference it in a function, python creates a new one.   * If, for example, you have a variable xyzzy, and you reference it in a function, python creates a new one.
python.1773008905.txt.gz · Last modified: 2026/03/08 22:28 by donald