print "Welcome to E-Commerce of Vermont"

correct = False

def login():
    username = raw_input("What is your Username/Code?")
    password = raw_input("What is your password?")
    if((username == "VEN002")and(password == "vendor")):
       correct == True
       print("Welcome Vendor You are now logged in")

    elif((username == "emp001")and(password == "EMP222")):
       correct == True
       print("Welcome Employee You are now logged in")

    elif(

        ((username == "CUST111")and(password == "buynow999"))):
       correct == True
       print("Welcome Customer You are now logged in")
    else:
        while (correct != True):
            print ("Your username or password are incorrect please try again ")
            login()
            break

login()