У вашего броузера проблема в совместимости с HTML5
In this video I show you how to encrypt and decrypt strings and files using Python. I show you how to create a key, store the key and then how to use the key to encrypt and decrypt strings and files. This video demonstrates the use of the cryptography module.
? Post with code and a written tutorial: https://nitratine.net/blog/post/encryption-and-decryption-in-python/
? Auto Py to Exe: https://youtu.be/OZSZHmWSOeM
? Python GUI Using Chrome: https://youtu.be/2kbeBzEQfXE
? How to Send Emails in Python: https://youtu.be/YPiHBtddefI
The cryptography is supported by Python 2.7 and Python 3.4 and above. (Also PyPy 5.3+)
? cryptography docs: https://cryptography.io/en/latest/
? In this video I use Python 3.6.
?? Feel free to comment with any issues.