# lecture 6, 12.10.2023, collections more loops today!
print("Welcome!")

# NEW FILE

# a list of products, 4 in total
products = ["Washing machine", "Coffee maker", "Freezer", "Fridge"]

# this is more or less only for testing/debug purposes
# only to be used by the coder
# don't show this to actual user
print(products)

# NEW FILE

# a list of products, 4 in total
products = ["Washing machine", "Coffee maker", "Freezer", "Fridge"]

# this is more or less only for testing/debug purposes
# only to be used by the coder
# don't show this to actual user
# print(products)

# let's print the product in index 2 (which is the 3rd product)
text = products[2]
print(text)

# NEW FILE

# a list of products, 4 in total
products = ["Washing machine", "Coffee maker", "Freezer", "Fridge"]

# ask user which product they want to see (index)
choice = input("Which product do you wish to see?\n")
choice = int(choice)

# based on the choice-variable, show a product
# so if user gives 2, this is same as products[2]
text = products[choice]
print(text)

# NEW FILE

# a list of products, 4 in total
products = ["Washing machine", "Coffee maker", "Freezer", "Fridge", "Toothbrush", "Microwave"]

# ask user which product they want to see (index)
choice = input("Which product do you wish to see?\n")
choice = int(choice)

# let's save the information of how many products
# we have into a variable
amount = len(products)

# if user gave an index, that is less than the max amount of products
if choice < amount and choice >= 0:
    # based on the choice-variable, show a product
    # so if user gives 2, this is same as products[2]
    text = products[choice]
    print(text)
else:
    print("No product with given index.")

# NEW FILE

# a list of products, you can also put this in multiple lines
products = ["Washing machine", "Coffee maker",
            "Freezer", "Fridge", "Toothbrush",
            "Microwave", "Bookshelf"]

# use a for loop to go through all the data in the products list
# starts with 1st element, ends with last element
# this always works, regardless of number of products
for p in products:
    print(p)

# VERSION 2, on same line on one text variable

# a list of products, you can also put this in multiple lines
products = ["Washing machine", "Coffee maker",
            "Freezer", "Fridge", "Toothbrush",
            "Microwave", "Bookshelf"]

text = ""

# use a for loop to go through all the data in the products list
# starts with 1st element, ends with last element
# this always works, regardless of number of products
for p in products:
    text = text + p + ", "

print(text)

# NEW FILE

# a list of products, you can also put this in multiple lines
products = ["Washing machine", "Coffee maker",
            "Freezer", "Fridge", "Toothbrush",
            "Microwave", "Bookshelf"]

# how many products we have
amount = len(products)

# traditional for-loop with range
# use the amount of products in the range
# index contains the active index
# p-variable: get a certain product with active index
for index in range(amount):
    p = products[index]
    print(f"{index + 1}. {p}")


# NEW FILE

# let's create a tuple, notice, normal parentheses
weekdays = ("Monday", "Tuesday", "Wednesday", "Thursday",
            "Friday", "Saturday", "Sunday")

# ask user for the index of the day to show
choice = input("Which days would you like to see?\n")

# this way we can easily match the user's number
# to the actual index (lists start at 0, not 1)
choice = int(choice) - 1

# get the corresponding day and print it
text = weekdays[choice]
print(text)

# NEW FILE

# a list of products, you can also put this in multiple lines
products = ["Washing machine", "Coffee maker",
            "Freezer", "Fridge", "Toothbrush",
            "Microwave", "Bookshelf"]

# change the value of product in index 3 to Smartphone
products[3] = "Smartphone"

# we can now see that 4th product changed (index 3)
print(products)

# NEW FILE

# a list of products, you can also put this in multiple lines
products = ["Washing machine", "Coffee maker",
            "Freezer", "Fridge", "Toothbrush",
            "Microwave", "Bookshelf"]

# ask the user for which product to change
choice = input("Which product to change?\n")
choice = int(choice)

# ask the user what is the replacing product
replacement = input("What is the replacement product?\n")

# replace this product in this index
# with the user's new value
products[choice] = replacement

# test if everything worked
print(products)


# NEW FILE

# a single dictionary, containing
# all information regarding this one person
# in one "variable"
person = {
    "name": "Test Person",
    "age": 33,
    "city": "Rovaniemi"
}

# use this only for testing purposes
# this prints everything, even secrets or sensitive information
# print(person)

# printing from dictionary is done via the key
# so to get the person's name, use the key "name"
print("Person's name:")
print(person["name"])
print()

print("Person's age:")
print(person["age"])
print()

# NEW FILE

# a single dictionary, containing
# all information regarding this one person
# in one "variable"
person = {
    "name": "Test Person",
    "age": 33,
    "city": "Rovaniemi"
}

# use this only for testing purposes
# this prints everything, even secrets or sensitive information
# print(person)

# printing from dictionary is done via the key
# so to get the person's name, use the key "name"
print("Person's name:")
print(person["name"])
print()

print("Person's age:")
print(person["age"])
print()

# NEW FILE

# some product identifier
codes = ["ORDER142_A1567_2023", "ORDER5678142_A15674242_2023"]

# go through all codes
# and split them into parts
for code in codes:
    # split by underscore to a list
    parts = code.split("_")
    first = parts[0]
    second = parts[1]
    year = parts[2]
    print(first)
    print(second)
    print(year)
    print()

print("ALL DONE")

# NEW FILE

# list of cities
cities = ["rovaniemi", "oulu", "helsinki", "stockholm", "madrid", "oslo"]

# make two empty lists, one for short city names, and another for long ones
long_cities = []
short_cities = []

# loop through the cities, and place them
# in either of the lists or "buckets" based on the
# length of the city name
for city in cities:
    if len(city) < 6:
        short_cities.append(city)
    else:
        long_cities.append(city)

# let's test what is inside the lists now
print(long_cities)
print(short_cities)

# NEW FILE

# combining lists is very easy in Python
foods = ["banana", "apple", "cherry"]
drinks = ["water", "tea", "coffee"]

# combine the two lists
everything = foods + drinks

# test out the values
print(everything)

# NEW FILE

# list of grades
# you can also create this list based on user inputs (for-loop)
grades = [7, 8, 9, 9, 10, 7, 6, 8, 8, 10]

# average = sum / count
total = sum(grades)
amount = len(grades)

# calculate the average
average = total / amount
average = round(average, 1)
print(average)

# NEW FILE

cities = ["Rovaniemi", "Helsinki", "Athens", "mikkeli", "Stockholm", "Madrid"]

print("Original order:")
print(cities)

#cities.sort()
cities = sorted(cities)

print("Sorted order, cities.sort() / sorted(cities):")
print(cities)

# sort with lambda so, that all letters are converted to
# uppercase when comparing them to each other
cities.sort(key=lambda v:v.upper())

print("Sorted with lambda:")
print(cities)