Lesson_4

lesson_4/4-1.py

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+import sys
+from sys import argv
+
+
+def z_func():
+    try:
+        script_name, h_param, ph_param, b_param = argv
+        return (float(h_param) * float(ph_param)) + float(b_param)
+    except ValueError:
+        return 0
+
+
+print(z_func())

lesson_4/4-2.py

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+src_list = [300, 2, 12, 44, 1, 1, 4, 10, 7, 1, 78, 123, 55]
+trg_list = [num for i, num in enumerate(src_list[1:]) if num > src_list[i]]
+print(src_list)
+print(trg_list)

lesson_4/4-3.py

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+print(f'{[el for el in range(20, 241) if el % 20 == 0 or el % 21 == 0]}')

lesson_4/4-4.py

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+my_list = [2, 2, 2, 7, 23, 1, 44, 44, 3, 2, 10, 7, 4, 11]
+my_new_list = [el for el in my_list if my_list.count(el) < 2]
+print(my_new_list)

lesson_4/4-5.py

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+from functools import reduce
+
+
+def my_func(el_p, el):
+    return el_p * el
+
+
+print(f'Список четных значений {[el for el in range(99, 1001) if el % 2 == 0]}')
+print(f'Результат перемножения всех элементов списка {reduce(my_func, [el for el in range(99, 1001) if el % 2 == 0])}')

lesson_4/4-6.py

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+from itertools import count
+
+for el in count(int(input('Введите стартовое число: '))):
+    print(el)
+    if el >= 10:
+        break
+
+
+from itertools import cycle
+
+c = 0
+my_list = [123, False, 'XXX', None]
+for el in cycle(my_list):
+    print(el)
+    c += 1
+    if c >= 10:
+        break

lesson_4/4-7.py

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+from itertools import count
+from math import factorial
+
+def fact():
+    for el in count(1):
+        yield factorial(el)
+
+gen = fact()
+x = 0
+for i in gen:
+    if x < 15:
+        print(i)
+        x += 1
+    else:
+        break