20251215 2.3

lesson2.3_1.py

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+'''****** Задание ********
+  *Раз, два, три! Ёлочка, гори!
+'''
+while (s := input()) != 'Три!':
+    print('Режим ожидания...')
+else:
+    print('Ёлочка, гори!')

lesson2.3_10.py

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+'''****** Задание ********
+  *Маршрут построен.
+'''
+a = 0
+b = 0
+while (dir := input()) != 'СТОП':
+    steps = int(input())
+    match dir:
+        case 'СЕВЕР':
+            a += steps
+        case 'ЮГ':
+            a -= steps
+        case 'ЗАПАД':
+            b -= steps
+        case 'ВОСТОК':
+            b += steps
+print(a)
+print(b)

lesson2.3_11.py

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+'''****** Задание ********
+  *Цифровая сумма.
+'''
+num = int(input())
+summa = 0
+while num > 0:
+    summa += num % 10  # s = s + num % 10
+    num //= 10  # num = num // 10
+print(summa)

lesson2.3_12.py

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+'''****** Задание ********
+  *Сильная цифра.
+'''
+num = int(input())
+maximum = -1
+while num > 0:
+    if num % 10 > maximum:
+        maximum = num % 10
+    num = num // 10
+print(maximum)

lesson2.3_13.py

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+'''****** Задание ********
+  *Первому игроку приготовиться 2.0.
+'''
+count = int(input())
+first = ''
+for _ in range(count):
+    name = input()
+    if first == '':
+        first = name
+    elif name < first:
+        first = name
+print(first)

lesson2.3_14.py

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+'''****** Задание ********
+  *Простая задача.
+'''
+num = int(input())
+prime = True
+if num <= 1:
+    prime = False
+else:
+    for divisor in range(2, int(num**0.5 + 1)):
+        if num % divisor == 0:
+            prime = False
+            break
+if prime is True:
+    print('YES')
+else:
+    print('NO')

lesson2.3_15.py

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+'''****** Задание ********
+  *Зайка - 4.
+'''
+places = int(input())
+N = 0
+for i in range(places):
+    nature = input()
+    if 'зайка' in nature:
+        N += 1
+print(N)

lesson2.3_16.py

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+'''****** Задание ********
+  *А роза упала на лапу Азора 2.0.
+'''
+num = int(input())
+original_num = num
+reversed_num = 0
+while num > 0:
+    digit = num % 10
+    reversed_num = reversed_num * 10 + digit
+    num //= 10
+if original_num == reversed_num:
+    print('YES')
+else:
+    print('NO')

lesson2.3_17.py

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+'''****** Задание ********
+  *Чётная чистота.
+'''
+number = int(input())
+result = 0
+power = 1
+while number > 0:
+    if number % 2 != 0:
+        result += (number % 10) * power
+        power *= 10
+    number //= 10
+print(result)

lesson2.3_18.py

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+'''****** Задание ********
+  *Простая задача 2.0.
+'''
+number = int(input())
+divisor = 1
+if number < 2:
+    print(number)
+while number > 1:
+    divisor += 1
+    if not number % divisor:
+        print(divisor, end='')
+        if number != divisor:
+            print(' *', end=' ')
+        number //= divisor
+        divisor = 1

lesson2.3_19.py

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+'''****** Задание ********
+  *Игра в «Угадайку».
+'''
+number = 500
+delta = number // 2
+print(number)
+while (answer := input()) != 'Угадал!':
+    if answer == 'Меньше':
+        number = number - delta
+    if answer == 'Больше':
+        number = number + delta
+    if delta >= 2:
+        delta = (delta + 1) // 2
+    print(number)

lesson2.3_2.py

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+'''****** Задание ********
+  *Зайка — 3.
+'''
+count = 0
+while (s := input()) != 'Приехали!':
+    if 'зайка' in s:
+        count += 1
+print(count)

lesson2.3_20.py

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+'''****** Задание ********
+  *Хайпанём немножечко!
+'''
+n = int(input())
+num_false_h = -1
+pre_h = 0
+for i in range(n):
+    block = int(input())
+    h = block % 256
+    m = block // 256 ** 2
+    r = (block // 256) % 256
+    true_h = (37 * (m + r + pre_h)) % 256
+    pre_h = h
+    if true_h >= 100 or true_h != h:
+        num_false_h = i
+        break
+print(num_false_h)

lesson2.3_3.py

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+'''****** Задание ********
+  *Считалочка.
+'''
+start = int(input())
+finish = int(input())
+for i in range(start, finish + 1):
+    print(i, end=' ')

lesson2.3_4.py

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+'''****** Задание ********
+  *Считалочка 2.0.
+'''
+start = int(input())
+stop = int(input())
+step = 1
+if stop < start:
+    step = -1
+for i in range(start, stop + step, step):
+    print(i, end=' ')

lesson2.3_5.py

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+'''****** Задание ********
+  *Внимание! Акция!
+'''
+result = 0
+while (price := float(input())) != 0:
+    if price >= 500:
+        price *= 0.9
+    result += price
+print(result)

lesson2.3_6.py

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+'''****** Задание ********
+  *НОД.
+'''
+a = int(input())
+b = int(input())
+while a != 0:
+    a, b = b % a, a
+print(b)

lesson2.3_7.py

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+'''****** Задание ********
+  *НОК.
+'''
+a, b = a1, b1 = int(input()), int(input())
+while a != 0:
+    a, b = b % a, a
+print(a1 * b1 // (a + b))

lesson2.3_8.py

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+'''****** Задание ********
+  *Излишняя автоматизация 2.0.
+'''
+info = input()
+repeat = int(input())
+for _ in range(repeat):
+    print(info)

lesson2.3_9.py

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+'''****** Задание ********
+  *Факториал.
+'''
+num = int(input())
+result = 1
+for n in range(1, num + 1):
+    result *= n
+print(result)