how can implement the following case in python?
i just cant figure out how to solve this problem
CASE-1 [Enter Correct user Name and Password]
CASE-2 [Both Email and Password Fields are blank.]
CASE-3 [Email field is filled and Password field is blank. ]
CASE-4 [Email field is blank and Password field is filled]
CASE-5 [Email and Password are entered wrong]
CASE-6 [Email is wrong and Password is correct]
CASE-7 [Email is correct and Password is wrong]