#zadanie 2
str = ' '
seq = ("a", "b", "c", "d", "e")
print(str.join(seq))
#zadanie 3
a =5
b= 9
modulo_result = b % a
print(modulo_result)
#zadanie 4
counter  = 145
counter += 1
print(counter)
counter -=1
print(counter)
#zadanie 5
c = 7
d = 4
result = c > d
print(result)
#zadanie 6

father = 1974
child = 2007
komunikat = "Ojciec jest starszy od dziecka o {} lata".format(child-father)
print(komunikat)

#zadanie 7

e = 11
f = 7
print(round(e/f, 2))

#zadanie 8
name = "<Podaj swoje imie>"
year = int("1990")
age = 2020 - year
print("Uzytkownik {} jest w wieku {} lat".format(name, age))