解决：强化学习FrozenLake代码出现KeyError: ‘FrozenLake-v0‘错误、 Consider using IPython.display.IFrame instead错误

问题：
在学习强化学习时，出现**KeyError: ‘FrozenLake-v0’**错误
具体信息如下： Traceback (most recent call last): File “D:/InstallPosition/python3.7.3/lib/site-packages/gym/envs/registration.py”, line 158, in spec return self.env_specs[id] KeyError: ‘FrozenLake-v0’
Traceback (most recent call last):
File "D:/registration.py", line 158, in spec
return self.env_specs[id]
KeyError: 'FrozenLake-v0'

During handling of the above

解决：强化学习FrozenLake代码出现KeyError: ‘FrozenLake-v0‘错误、 Consider using IPython.display.IFrame instead错误最先出现在Python成神之路。