# Hello World
# print("Hello World")
# print("o----")
# print(" ||||")
# print("*" * 10)

# Variables
# price = 10
# rating = 5.1
# name = "Kuri"
# is_published = True
# print(price, rating, name, is_published)

# 1. Exercise
# first_name = "John"
# last_name = "Smith"
# age = 20
# existing_patient = False
# print("Name:", first_name, last_name, "Age:", age, "Existing patient?:", existing_patient)

# Receiving an input
# your_name = input("What is your name? ")
# print("Hello " + your_name)

# 2. Exercise
# your_name = input("Name: ")
# favorite_colour = input("Colour: ")
# print(your_name + "'s favorite colour is " + favorite_colour)

# Type conversion
birth_year = input("Birth year: ")
age = 2021 - int(birth_year)
print(age)
