chatboat.py

def main ():
  budget=0
  brand=0
  battery=0
  screen=0
  
  budget = MyPrice(budget)
  brand = Mybrand(brand)
  battery = Mybattery(battery)
  screen = Myscreen(screen)
  
  
def MyPrice(budget):
  ValidMoney = False
  while ValidMoney == False :
    money=int(input("How much is your budget? --"))
    if money<230:
      print ("your budget is too low")
    else:
      budget = money
      return budget
    

def Mybrand(brand):
  ValidBrand= False
  while ValidBrand == False:
    user_Brand=str(input("what brand do you perfer?--Google-- Apple--Samsung--One Plus-- Xaomi? "))
    user_Brand = user_Brand.lower()
    ValidBrand= False
    if user_Brand== "google" or  user_Brand== "apple" or user_Brand== "one plus" or user_Brand== "xaomi" or user_Brand=="samsung":
      brand = user_Brand
      return brand
    else:
      print("try again")
    
    

    
def Mybattery(battery):
  validBattery = False
  while validBattery == False:
    user_Battery=int(input("how long are you use your device?--"))
    if user_Battery>24:
      print ("you must need a device with more than 3500 Mah capacity")
      battery = user_Battery
      return battery
    elif user_Battery<24:
      print("you can use a device with less than 3500 Mah of capacity")
      battery = user_Battery
      return battery
    else:
      print("try again")
      
def Myscreen(screen):
  user_Size= int(input("what is your ideal screen size?--"))
  user_Size == 4     
  if user_Size<4:
    print("this size is good for you")
  else:
    print("good chioce")
  
    
main()