Even coordinator project, python 3

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#1

Hello everyone, I am having a little bit of trouble with step 6 of this project. To help you get a better idea of what is going on, here is the part of my code that’s not working:

def seat_number_meal(guests, table1, table2, tale3):
  names = list(guests.keys())
  for i in range(5):
    yield (names[i], next(table1))
  for i in range(5):
    i += 5
    yield (names[i], next(table2))
  for i in range(5):
    i += 10
    yield (names[i], next(table3))

meal_assignments = seat_number_meal(guests, table1(), table2(), table3())   

for i in meal_assignments:
  print(i)

As you can see there is a function (generator) with 3 for loop that are supposed to iterate through the elements present in their respective bodies. In this sense, the first two loops work just fine, but the last one is outputting a TypeError: 'function' object is not an iterator and I don’t understand exactly why that is. For further reference, here’s the entire code:

guests = {}
def read_guestlist(file_name):
  text_file = open(file_name,'r')
  val = None
  while True:
    if val is not None:
      line_data = val.strip().split(",") 
    else:
      line_data = text_file.readline().strip().split(",")
    if len(line_data) < 2:
    # If no more lines, close file
      text_file.close()
      break
    name = line_data[0]
    age = int(line_data[1])
    guests[name] = age
    val = yield name
    #if n is not None:
     # n = n.split(',')
      #name = n[0]
      #age = int(n[1])
      #guests[name] = age
     # line_data.append(name)#, age


mini_list = read_guestlist("guest_list.txt")

for i in range(10):
  print(next(mini_list))

mini_list.send('Jane,35')


for guest in mini_list:
  print(guest)

guests_over_21 = (guest for guest in guests if guests[guest] >= 21)

for guest in guests_over_21:
  print(guest)


def table1():
  food = 'Chicken'
  table = 1
  for i in range(5):
    seat = i + 1
    yield f'menu: {food}', f'table: {table}', f'seat: {seat}'

def table2():
  food = 'Beef'
  table = 2
  for i in range(5):
    seat = i + 1
    yield f'menu: {food}', f'table: {table}', f'seat: {seat}'

def table3():
  food = 'Fish'
  table = 3
  for i in range(5):
    seat = i + 1
    yield f'menu: {food}', f'table: {table}', f'seat: {seat}'

def seat_number_meal(guests, table1, table2, tale3):
  names = list(guests.keys())
  for i in range(5):
    yield (names[i], next(table1))
  for i in range(5):
    i += 5
    yield (names[i], next(table2))
  for i in range(5):
    i += 10
    yield (names[i], next(table3))

meal_assignments = seat_number_meal(guests, table1(), table2(), table3())   

for i in meal_assignments:
  print(i)

Thanks in advance for your help.

#2

I think it’s just a typo (missing char) and some issues with name re-use. I’d suggest avoiding the use of the same function names for parameters whenever possible. As an aside those three functions could easily be a single function for some nicer DRY.

#3

Thanks for the advice.