You can check if the user is in
the dictionary and if the password associated matches.
# Sample user dictionary
myUserDict = {
"user1" : "user1234",
"user2" : "user12345"
}
# Test, user doesn't exist
print("USER NOT FOUND TEST:")
user = "user3"
print(user in myUserDict)
print()
# Test, user does exist
# but password is wrong
print("USER FOUND, PASSWORD WRONG TEST:")
user = "user1"
pswd = "user1243"
print(user in myUserDict)
print(myUserDict[user] == pswd)
print()
# Test, user does exist
# and password is correct
print("USER FOUND, PASSWORD CORRECT TEST:")
user = "user2"
pswd = "user12345"
print(user in myUserDict)
print(myUserDict[user] == pswd)