The cart and pole problem gives the user a cart of a specific mass that can only move in a 1-dimensional direction. The is a pole balanced vertically from the middle of the cart. The objective is to write a control that keeps the pole vertical by moving the cart either left or right. This program produces a solution based on the observations of the pole angle to the cart and the cart's velocity in either left or right direction.

OpenAI Gym -> pip install gym
NumPy -> pip install numpy

In a command or git bash window, run python cart-pole.py

You should see the following window:

The file at its current state does 10 episode with 201 steps in each episode (the episode terminates at step 200 as per the environment's requirement). The episodes can be changed within the file.

To Modify how the action is chosen, change the choose_action function.

The problem is considered solved with an average of 195 achieved steps over 100 episodes. The solution given here, as is, results in 189.44. So it is not solved, but it came really close. It would not be good for a real bot and track since the cart moves to the left infinitely.