add intro ipynbs

%% Cell type:code id: tags:

``` python

import gymnasium as gym

import matplotlib.pyplot as plt

from IPython.display import clear_output

env = gym.make("CliffWalking-v0", render_mode="rgb_array")

env.action_space.seed(42)

observation, info = env.reset(seed=42)

for _ in range(100):

    observation, reward, terminated, truncated, info = env.step(env.action_space.sample())

    if terminated:

        observation, info = env.reset(return_info=True)

    clear_output(wait=True)

    plt.imshow(env.render())

    plt.show()

```