username = input("Please enter username: ")
if (username== "Ali") :
	print("Hello",username)
	password = input("please enter password: ")
	if (password== "Ali123") :
                print("you are logged in Ali")
	else :
                print("incorrect password")
elif (username == "Aman") :
        print("Hello", username)
        password = input("Please enter password: ")
        if (password== "Aman123") :
                print("you are logged in Aman")
        else :
		print("incorrect password")
elif (username == "Preet") :
        print("Hello", username)
        password = input("Please input password")
        if (password=="Preet123") :
		print("you are logged in Preet")
	else :
		print("incorrect password")
elif (username == "Ikeen") :
        print("Hello", username)
        password = input("Please input password")
        if (password=="Ikeen123") :
		print("you are logged in Ikeen")
	else :
		print("incorrect password")
elif (username == "Training") :
        print("Hello", username)
        password = input("Please input password")
        if (password=="Training123") :
		print("you are logged in Training")
	else :
		print("incorrect password")		
else :
	print("incorrect username")












#logical operators and arithmatic operator for 2nd assignment

