ders1.py

from datetime import date

name1 = "kadir"
name2 = "hasan"
name3 = "osman"

x = 3 # int

def get_logged_in_user(app):
    if app == "web":
        return "kadir@domain.com"
    else:
        return "kadir" # string

def print_hello(name):
    print("hello", name)

#user = get_logged_in_user("web")
#print_hello(user)

text = input("Please enter your birth year: ")
birth_year = int(text)
print("birth year:", birth_year)

def calculate_age(current_year, year_of_birth):
    # please only pass integers
    return current_year - year_of_birth

def print_age(age):
    if age > 40:
        print("40'in ustu yaslidir ya")
    elif age > 30:
        print("???") # burada hangi aralik var?
    else:
        print("yasiniz:", age)

current_year = date.today().year
age = calculate_age(current_year, birth_year)
print_age(age)