# Classroom lecture, 4.11.2021, Collections!
print("Welcome!")

# NEW FILE

products = ['Bosch washing machine',
            'Philips coffee maker',
            'Siemens freezer',
            'Samsung smartphone']

# only use this if just testing what's inside a collection
# print(products)

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

# only print the product if index is within acceptable range, in this case, 0-3
if choice < len(products) and choice >= 0:
    p = products[choice]
    print(p)
else:
    print("No product with given index.")

# NEW FILE
products = ['Bosch washing machine',
            'Philips coffee maker',
            'Siemens freezer',
            'Samsung smartphone',
            'LG 4K television']

# looping through products
for p in products:
    print(p)

# NEW FILE

products = ['Bosch washing machine',
            'Philips coffee maker',
            'Siemens freezer',
            'Samsung smartphone',
            'LG 4K television']

amount = len(products)

# numbered list with traditional loop
for index in range(amount):
    p = products[index]
    print(f"{index + 1}. {p}")

# NEW FILE

# tuple is a list that can't be changed afterwards
weekdays = ('Monday', 'Tuesday', 'Wednesday', 'Thursday',
            'Friday', 'Saturday', 'Sunday')

# ask the weekday from user
# -1 fixes the problem with collections starting from 0!
choice = input("Which weekday number?\n")
choice = int(choice) - 1

day = weekdays[choice]
print(day)

# NEW FILE

# a person dictionary, key-value pairs
# basically a variable containing multiple variables
# that are related to each other
person = {
    "name": "Dave Developer",
    "age": 32,
    "location": "Rovaniemi"
}

# printing snippets of info from the dictionary
print(person['name'])
print(f"Person's age: {person['age']} years old.")
print()

# if you need to loop through dictionary, it can be done like this
for key in person:
    value = person[key]
    print(value)

# NEW FILE

products = ['Bosch washing machine',
            'Philips coffee maker',
            'Siemens freezer',
            'Samsung smartphone',
            'LG 4K television']

# which index
choice = input("Which product would you like to change?\n")
choice = int(choice)

# which new value
new_product = input("What is the new product?\n")

# replace the value in the collection
products[choice] = new_product


for p in products:
    print(p)

print("done")

# NEW FILE

# list of lists
day_1 = [20.0, 15.6, 17.8, 12.6, 11.4]
day_2 = [21.0, 14.3, 17.5, 13.3, 15.3]
day_3 = [19.0, 11.6, 14.9, 15.6, 14.9]

temperatures = [day_1, day_2, day_3]
#print(temperatures)

counter = 1
# because we have a list of lists
# we need a for loop inside a for loop
for day in temperatures:
    print(f"Day number {counter}!")
    counter += 1

    for temp in day:
        print(temp)

print("done")

# NEW FILE

# the original code
text = "ORDER142_A1567_2021"

# split into a list
parts = text.split('_')

# save list parts into variables
code = parts[0]
client = parts[1]
year = parts[2]

# let's test
print(code)
print(client)
print(year)

# NEW FILE

numbers = [5, 6, 7, 7, 8, 9, 3, 4, 5, 6, 7, 5]

# average = total sum of values / amount of values

amount = len(numbers)
total = sum(numbers)

# collections can be helpful like this
average = total / amount
print(average)