gistfile1.py

class customersSystem
    def say_hello():
        if customer_name and customer_name in customer_list:
            print "hello " + customer_name

        # the code needs to be change and it is longer than 80
        if customer_name and customer_name in system_database.get_customer_list():
            print "hello" + customer_name

        # To format this code, "=" will not help you.
        # if textwidth has been set, just add baskets around it would automatically warp the code:
        if (customer_name and customer_name in
                system_database.get_customer_list()):
            print "hello" + customer_name

        # if there's existing code you want to re-format:
        if (customer_name and customer_name in system_database.get_customer_list()):
            print "hello" + customer_name

        # "gqgq" could warp the current line. Or "gqh"
        if (customer_name and customer_name in
                system_database.get_customer_list()):
            print "hello" + customer_name