Added hometask4

hometask4/task1.py

@@ -0,0 +1,8 @@
+#!/usr/bin/env python
+# nevl 2021
+
+from sys import argv
+
+if __name__ == '__main__':
+    script_name, production_in_hours, rate_per_hour, premium = argv
+    print(f'{float(production_in_hours) * float(rate_per_hour) + float(premium)}')

hometask4/task2.py

@@ -0,0 +1,15 @@
+#!/usr/bin/env python
+# nevl 2021
+
+if __name__ == '__main__':
+    lst = input('Enter numbers separated by space: ').split()
+    new_lst = (it for it in lst)
+
+    res = list()
+    prev = next(new_lst)
+    for item in new_lst:
+        if float(item) > float(prev):
+            res.append(item)
+        prev = item
+
+    print(res)

hometask4/task3.py

@@ -0,0 +1 @@
+print(f'{[i for i in range(20, 240) if not i % 20 or not i % 21]}')

hometask4/task4.py

@@ -0,0 +1,21 @@
+#!/usr/bin/env python
+# nevl 2021
+
+if __name__ == '__main__':
+    lst = input('Enter numbers separated by spaces: ').split()
+    new_lst = (it for it in lst)
+
+    tmp = dict()
+    res = list()
+
+    for it in new_lst:
+        if it in tmp:
+            tmp[it] += 1
+        else:
+            tmp[it] = 1
+
+    for key, value in tmp.items():
+        if value == 1:
+            res.append(key)
+
+    print(res)

hometask4/task5.py

@@ -0,0 +1,9 @@
+#!/usr/bin/env python
+# nevl 2021
+
+from functools import reduce
+
+if __name__ == '__main__':
+    lst = [i for i in range(100, 1001, 2)]
+
+    print(reduce(lambda prev, curr: prev * curr, lst))

hometask4/task6_1.py

@@ -0,0 +1,13 @@
+#!/usr/bin/env python
+# nevl 2021
+
+from itertools import count
+from sys import argv
+
+start = int(argv[1])
+max_count = int(argv[2])
+
+for i in count(start):
+    if i > max_count:
+        break
+    print(i)

hometask4/task6_2.py

@@ -0,0 +1,14 @@
+#!/usr/bin/env python
+# nevl 2021
+
+from itertools import cycle
+from sys import argv
+
+# a quoted list separated by spaces
+lst = argv[1].split()
+max_count = int(argv[2])
+
+for i, it in enumerate(cycle(lst)):
+    if i > max_count:
+        break
+    print(it)

hometask4/task7.py

@@ -0,0 +1,22 @@
+#!/usr/bin/env python
+# nevl 2021
+
+def fact(n):
+    """
+    Factorial
+
+    :param n: int
+    :return: int
+    """
+    if n < 1:
+        return
+    res = 1
+    for i in range(1, n + 1):
+        res *= i
+        yield res
+
+if __name__ == '__main__':
+    n = int(input('Enter max: '))
+
+    for el in fact(n):
+        print(el)