Python Code Snippets cache decorator - increase speed of math calculations from functools import cache, lru_cache @lru_cache(maxsize=5) def fib(n): if n <= 1: return n return fib(n - 1) + fib(n - 2) def main(): for i in range(400): print(i, fib(i)) print("done") if __name__ == '__main__': main() test function def myfunc(a,b): if a>b: print ("It worked") else: print ("No") myfunc(2,1) if_else hungry = True if hungry: print('FEED ME NOW!

create a virtual environment in current directory python -m venv my_venv create a virtual environment in a specific dirctory python -m venv path/to/your/venv/my_venv activate a virtual environment using powershell from the venv/scripts folder ./Activate.ps1 deactivate a virtual environment using powershell from the venv/scripts folder deactivate remove/delete a virtual environment (just delete the directory) rm -rf /path/to/my_venv clear an existing virtual environment python -m venv --clear path/to/my_venv update python version in a virtual environment