Check selection and compare to list for python -

what trying check input user (using raw_input) valid option within global list. below have point.

def car():     print "you have selected 'car' option.",     print "are sure want?"     car_sure = raw_input("enter yes or no: ").lower()      if car_sure == "yes":         car_brand_choice()      elif car_sure == "no":         print "you no longer want car. taking select vehicle type."         type()      else:          dead("not valid option. lose vehicle purchasing opportunity.")  def car_brand_choice():      print "these car brands can provide you."     print "\n".join(car_brands)     selection = raw_input("now chance pick brand want. ").title()     print "you selected %s\n" %selection     print "i have verify selection valid.\n"      if selection in car_brands:         print "valid selection. may continue."      else:         print "not valid selection."         print "go , select valid brand.\n"         car_brand_choice()   start() 

the verification used select different valid brand or allow user proceed current brand. code formatted in notepad++, hope. don't know how proper formatting show here. i'm sure there similar out there not find it.

well, seems if beginner.

the thing need solve problem in.

selection = raw_input("now chance pick brand want. ") print "you selected ", selection if selection in car_brands:     print "it in list" else:     print "its not in list" 

add in car_brand_choice(). further readings, check docs