# conditional statements today!
print("Welcome!")

# NEW FILE

age = input("Give your age:\n")
age = int(age)

# if/else - if age is larger than 20 or if it's something else
if age > 20:
    print("You're over 20 years old!")
    print("We're inside the if-statement now!")
else:
    print("You're 20 years or less years old.")

print("Thank you for using the application!")

# NEW FILE

age = input("Give your age:\n")
age = int(age)

# if/else - if age is larger than 20 or if it's something else
if age < 20:
    print("You're less than 20 years old!")
elif age < 30:
    print("You're less than 30 years old!")
else:
    print("You're over 30 years old.")

print("Thank you for using the application!")

# NEW FILE

age = input("What's your age again?\n")
age = int(age)

# is age less or equal to 30
if age <= 30:
    print("30 or less years old")

# is age greater than 30
if age > 30:
    print("More than 30 years old")

# is age EXACTLY 30
if age == 30:
    print("You're exactly 30 years old")

# is age something else than EXACTLY 30
if age != 30:
    print("You're not exactly 30 years old.")

# NEW FILE

# two number variables for later comparison
number1 = input("Give a number:\n")
number1 = int(number1)

number2 = 123

# which variable has a bigger value?
if number1 > number2:
    print("First number is bigger!")
else:
    print("Second number is bigger!")

# NEW FILE

# does the user know the secret word
secret_word = "banana"

text = input("Give us a word:\n")

# just like any variable, comparison
if text == secret_word:
    print("SECRET WORD IS BANANA!")
else:
    print("You don't know the secret word...")

# NEW FILE

text = input("Which drink you want?\n")

# react to different user answers
if text == "milk":
    print("Milk is 1.5 € per liter")
elif text == "coffee":
    print("Coffee is 7 € per 500g")
elif text == "water":
    print("Just use the tap water, will you?")
else:
    print("We don't have that drink, SORRY!")

# NEW FILE

choice = input("Are you a student? (y/n)\n")

# did user choose y or n
# we could use else, but then "banana" would also result to "n"
if choice == "y":
    print("You're a student!")
    print("You get a 50% discount from train ticket!")
elif choice == "n":
    print("Not a student, full price + postage!")

print("Thank you!")

# NEW FILE

number = input("Give a number:\n")
number = int(number)

# if the remainder when dividing by 2 is 0 ==> Even number
# otherwise, odd number
if number % 2 == 0:
    print("EVEN NUMBER")
else:
    print("ODD NUMBER")

# NEW FILE

number = input("Give a number:\n")
number = int(number)

# preferred way for this is:
# if 0 < number < 30:
if number > 0 and number < 30:
    print("Number is between 0 and 30")

if number < 0 or number > 30:
    print("Number is outside 0 and 30")

# NEW FILE

age = 20
city = "London"
student = True

# this if-statement is only run if ALL OF THE variables are correct
# in the condition!
if age >= 18 and city == "Rovaniemi" and student == True:
    print("Adult, student, from Rovaniemi.")

print("Thank you!")

# NEW FILE

# ask integer from user
age = input("Age:\n")
age = int(age)

# text is easy, just use input
city = input("City:\n")

# with booleans we have to control the
# variable ourselves with an if-statement
student = True

choice = input("Student? (y/n):\n")

# change boolean to False if not a student
# else is not needed, because the default value
# of student is already True
if choice == 'n':
    student = False


# this if-statement is only run if ALL OF THE variables are correct
# in the condition!
if age >= 18 and city == "Rovaniemi" and student == True:
    print("Adult, student, from Rovaniemi.")

print("Thank you!")

# NEW FILE

# ask integer from user
age = input("Age:\n")
age = int(age)

# text is easy, just use input
city = input("City:\n")

# with booleans we have to control the
# variable ourselves with an if-statement
student = True

choice = input("Student? (y/n):\n")

# change boolean to False if not a student
# else is not needed, because the default value
# of student is already True
if choice == 'n':
    student = False

# nested if statements. the city is only checked if age is more than 18
if age >= 18:
    print("Adult!")

    if city == "Rovaniemi":
        print("Health care address: Test Alley 12")

    if city == "Helsinki":
        print("Health care address: Business Street 5 A")

else:
    print("Health care for underage people, ask your school.")

print("Thank you!")

# NEW FILE


status = "student"
price = 26

# different price logic for students and other customers
# students get 50% discount, others have full price + 2.5€ service fee
if status == "student":
    print("Student price is 50%, minimum price is 15€")
    price = price * 0.5

    # fix the price if it goes under 15 €
    if price < 15:
        price = 15

elif status == "other":
    print("Other customers, full price + 2.5€ service fee")
    price = price + 2.5

# print the price
print(f"Price: {price} €")

# NEW FILE

temperature = input("Temperature?\n")
temperature = int(temperature)

# initalize this variable with some default value
# so it doesn't crash in the else-statement
is_hot = False

if temperature > 20:
    is_hot = True
    print(temperature)
else:
    print(temperature)

print(is_hot)

# NEW FILE

# situation outside
humidity = 90
temperature = -5
raining = False

# if humidity is large, it's raining
if humidity > 80:
    raining = True

# ... but if temperature is below zero
# it's not rain anymore, it's hailing
if temperature < 0:
    raining = False

# HERE COULD BE HUNDREDS OF LINES OF OTHER CODE

# final check, is it raining or not?
if raining == True:
    print("It's raining!")
else:
    print("Not raining.")

# NEW FILE
# MORE COMPLEX BOOLEAN EXAMPLE

# OUR APPLICATION'S LOGIC:
# we have to determine, if weather outside is bad or not

# bad weather has temperature less than 10
# bad weather has humidity more than 80
# bad weather has wind speed more than 2.5
# bad weather: it is dark outside
# it's dark outside, if the time is between 20-24 or 0-7

# initalize variables, you can replace these with input too
temperature = 8
humidity = 88
wind_speed = 5
sun_goes_down = 20
sun_rises = 7
current_hour = 15

# assume it's a good weather in the beginning
good_weather = True

# without booleans, this kinds of ridiculous conditional stuff happens
# if temperature < 10 and humidity > 80 and wind_speed > 2.5 and (current_hour > sun_goes_down or ...)

# temperature check
if temperature < 10:
    good_weather = False

# humidity check
if humidity > 80:
    good_weather = False

# wind speed cheeck
if wind_speed > 2.5:
    good_weather = False

# time of day check
if current_hour >= sun_goes_down or current_hour <= sun_rises:
    good_weather = False

# final decision, is it a good weather outside?
if good_weather:
    print("It's a good weather outside!")
else:
    print("It's a bad weather... :(")