Python Lists

# # variable of type string
# print("What is the variable name/key?", "value?", "type?", "primitive or collection, why?")
# name = "John Doe"
# print("name", name, type(name))

# print()


# # variable of type integer
# print("What is the variable name/key?", "value?", "type?", "primitive or collection, why?")
# age = 18
# print("age", age, type(age))

# print()

# # variable of type float
# print("What is the variable name/key?", "value?", "type?", "primitive or collection, why?")
# score = 90.0
# print("score", score, type(score))

# print()

# # variable of type list (many values in one variable)
# print("What is variable name/key?", "value?", "type?", "primitive or collection?")
# print("What is different about the list output?")
# langs = ["Python", "JavaScript", "Java", "Bash"]
# print("langs", langs, type(langs), "length", len(langs))
# print("- langs[3]", langs[3], type(langs[3]))

# print()

# # variable of type dictionary (a group of keys and values)
# print("What is the variable name/key?", "value?", "type?", "primitive or collection, why?")
# print("What is different about the dictionary output?")
# person = {
#     "name": name,
#     "age": age,
#     "score": score,
#     "langs": langs
# }
# print("person", person, type(person), "length", len(person))
# print('- person["name"]', person["name"], type(person["name"]))

What is the variable name/key? value? type? primitive or collection, why?
name John Doe <class 'str'>

What is the variable name/key? value? type? primitive or collection, why?
age 18 <class 'int'>

What is the variable name/key? value? type? primitive or collection, why?
score 90.0 <class 'float'>

What is variable name/key? value? type? primitive or collection?
What is different about the list output?
langs ['Python', 'JavaScript', 'Java', 'Bash'] <class 'list'> length 4
- langs[3] Bash <class 'str'>

What is the variable name/key? value? type? primitive or collection, why?
What is different about the dictionary output?
person {'name': 'John Doe', 'age': 18, 'score': 90.0, 'langs': ['Python', 'JavaScript', 'Java', 'Bash']} <class 'dict'> length 4
- person["name"] John Doe <class 'str'>

# # print function: given a dictionary of InfoDb content
# #d_rec is the dictionary
# #to access dictionary you use the key values and to access the List you use indexes
# def print_data(d_rec):
#     print(d_rec["FirstName"], d_rec["LastName"])  # using comma puts space between values
#     print("\t", "Residence:", d_rec["Residence"]) # \t is a tab indent
#     print("\t", "Birth Day:", d_rec["DOB"])
#     print("\t", "Cars: ", end="")  # end="" make sure no return occurs
#     print(", ".join(d_rec["Owns_Cars"]))  # join allows printing a string list with separator
#     print()


# # for loop algorithm iterates on length of InfoDb
# def for_loop():
#     print("For loop output\n")
#     for record in InfoDb:
#         print_data(record)

# for_loop()

InfoDb = []

# InfoDB is a data structure with expected Keys and Values

# Append to List a Dictionary of key/values related to a person and cars
InfoDb.append({
    "FoodName": "Pancakes",
    "Price": "$7",
    "Calories": "730",
    "Ingredients": ["Eggs", "Milk", "Sugar", "Vanilla Extract", "Flour", "Butter Milk", "Baking soda"]
})

# Append to List a 2nd Dictionary of key/values
InfoDb.append({
    "FoodName": "Vanilla sponge",
    "Price": "$3",
    "Calories": "180",
    "Ingredients": ["Eggs", "Milk", "Sugar", "Vanilla Extract", "Flour"]
})

#append to List a 3rd Dictionary of key/values
InfoDb.append({
    "FoodName": "French Toast",
    "Price": "$6",
    "Calories": "310",
    "Ingredients": ["Eggs", "Milk", "Cinnamon", "Sugar", "Vanilla Extract"]
})

#append to List a 3rd Dictionary of key/values
InfoDb.append({
    "FoodName": "Chocolate cake",
    "Price": "$5",
    "Calories": "230",
    "Ingredients": ["Eggs", "Milk", "Cocoa Powder", "Sugar", "Vanilla Extract", "Flour"]
})

# Print the data structure
print(InfoDb[0])

{'FoodName': 'Pancakes', 'Price': '$7', 'Calories': '730', 'Ingredients': ['Eggs', 'Milk', 'Sugar', 'Vanilla Extract', 'Flour', 'Butter Milk', 'Baking soda']}

price = InfoDb[0]["Price"]
calories = InfoDb[0]["Calories"]
ingredients = InfoDb[0]["Ingredients"]

def question_and_answer(prompt):
    print("Question: " + prompt)
    msg = input()
    print("Answer: " + msg)
    print(" ")
    print(price)
    print(" ")
    print("Calories:" + calories)
    print(" ")
    print(ingredients)

question_and_answer("Please write your preference below:")

Question: Please write your preference below:
Answer: Pancakes
 
$7
 
Calories:730
 
['Eggs', 'Milk', 'Sugar', 'Vanilla Extract', 'Flour', 'Butter Milk', 'Baking soda']