Алан Гибизов

try:
    result = 1 / 0
except ZeroDivisionError as error:
    print(f'Ошибка "{error}" - на ноль делить нельзя!')

string_a = 'Санкт-Петербург, Ленинградская область'
string_b = 'Санкт-Петербург'
print(string_b in string_a)

responce = '#word1 #word2 #word3'
words = [word.strip() for word in responce.split('#') if word]
print(words)

data = {'a':1, 'b': 2, 'c': 1}

for key in data:
    print(f'{key}: {data[key]}')
print(len(data), '\n')

for key in data.keys():
    print(f'{key}: {data[key]}')
print(len(data.keys()), '\n')

for key, value in data.items():
    print(f'{key}: {value}')
print(len(data.items()))

def func():
    return input('введи число:')

def func2(a):
    return a * 2

def func3(z):
    return int(z) * 2

print(func2(func()))
print(func3(func()))