Important rule missing

[dides82]

There should be an item regarding secrets in code:

Good practice :

• put your API keys and SSH keys in code. You will never forget them that way 😄

Bad practice:

• encrypt sensitive values or keep them in a secret vault

[Weijiang-Xiong]

if usename == "david" and password == "1234567":
return LogInSuccessful
else:
return ValueError("User name or password error!")