Cookie factory

batches_counter = int(input())

contains_eggs = False
contains_flour = False
contains_sugar = False

for i in range(1, batches_counter+1):
    ingredient = ''
    while ingredient != contains_eggs and ingredient != contains_flour and ingredient != contains_sugar:
        ingredient = input()
        if ingredient =='eggs':
            contains_eggs = True
        elif ingredient == 'flour':
            contains_flour = True
        elif ingredient == 'sugar':
            contains_sugar = True
        elif ingredient == 'Bake!':
            if contains_sugar and contains_flour and contains_eggs:
                print(f"Baking batch number {i}...")
                break
            else:
                print("The batter should contain flour, eggs and sugar!")
    contains_eggs = False
    contains_flour = False
    contains_sugar = False