text = "Kočka a pes a myš a papoušek \
šli do lesa a pak šli zase z lesa"
slova = text.split()

delitel = 5
class BlbaChyba(Exception):
    pass
raise BlbaChyba("fakt blbý")
raise ZeroDivisionError()
vysledek = -1
assert delitel != 0
try:
    vysledek = 5/delitel
except ZeroDivisionError:
    print("neděl nulou")
except:
    print("nějaká chyba jiná")
print(vysledek)

"""
from collections import Counter
print(Counter(slova).keys())

mnozina = set(slova)
mnozina.add("tygr")
mnozina.discard("ptakopysk")
mnozina.add("tygr")
b = {"tygr", "ptakopysk", 42, "pes"}
print(mnozina)
print(mnozina.difference(b))
"""

"""
delky = [len(slovo) for slovo in slova]
# slovo[0]
prvni_pismena = [slovo[0] for slovo in slova]
print(prvni_pismena)
prvni_pismena_dlouhych_slov = [
    slovo[0] for slovo in slova if len(slovo) >= 3]
print(prvni_pismena_dlouhych_slov)

mocniny = (x**2 for x in range(100000000000))
for i in mocniny:
    print(i)
    if i > 1000:
        break

cislo = 1 if len(slova) > 20 else -1
print(cislo)

delky = []
for slovo in slova:
    delky.append(len(slovo))
print(delky)
"""
"""from collections import Counter
pocty = Counter(slova)
print(pocty)
print(pocty.most_common(2))"""

"""from collections import defaultdict
pocty = defaultdict(int)
for slovo in slova:
    pocty[slovo] += 1
print(pocty[("ahoj", 42)])
print(pocty)
"""
"""b = defaultdict(bool)
b[5]
b["afdgafg"]
print(b)"""

"""pocty = {}   # pocty = dict()
sdfghsafdghsfghsfgh = True
for slovo in slova:
    if slovo not in pocty and (sdfghsafdghsfghsfgh 
            and sdfghsafdghsfghsfgh and sdfghsafdghsfghsfgh):
        pocty[slovo] = 1
    else:
        pocty[slovo] += 1  # pocty[slovo] = pocty[slovo] + 1
print(pocty)"""