lession4

task1.py

@@ -0,0 +1,9 @@
+from sys import argv
+
+
+hours = int(argv[1])
+pay_by_hour = int(argv[2])
+premium = int(argv[3])
+
+
+print((hours * pay_by_hour) + premium)

task2.py

@@ -0,0 +1,7 @@
+my_list = [300, 2, 12, 44, 1, 1, 4, 10, 7, 1, 78, 123, 55]
+
+
+formatted_list = [item for key, item in enumerate(my_list) if key > 0 and item > my_list[key - 1]]
+
+
+print(formatted_list)

task3.py

@@ -0,0 +1,3 @@
+# 241 - потому что число 240 не попало бы в интервал :)
+my_result = [item for item in range(20, 241) if item % 20 == 0 or item % 21 == 0]
+print(my_result)

task4.py

@@ -0,0 +1,15 @@
+my_list = [2, 2, 2, 7, 23, 1, 44, 44, 3, 2, 10, 7, 4, 11]
+
+
+def count_elements(list_items, value):
+    count = 0
+    for item in list_items:
+        if item == value:
+            count += 1
+    return count
+
+
+result_list = [item for item in my_list if count_elements(my_list, item) == 1]
+
+
+print(result_list)

task5.py

@@ -0,0 +1,11 @@
+from functools import reduce
+
+
+def sum_elements(x, y):
+    return x + y
+
+
+my_list = [item for item in range(100, 1001) if item % 2 == 0]
+my_result = reduce(sum_elements, my_list)
+
+print(my_result)

task6.py

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+from sys import argv
+from itertools import count, cycle
+
+# итератор
+counter = count(int(argv[1]))
+stop = 40
+i = 0
+for item in counter:
+    print(item)
+    if i == stop:
+        break
+    i += 1
+
+
+# cycle
+count_cycle = int(argv[1])
+cycle_items = cycle([1, 2, 3, 4, 5])
+i = 1
+for item in cycle_items:
+    print(item)
+    if i == count_cycle:
+        break
+    i += 1

task7.py

@@ -0,0 +1,10 @@
+def fact(n):
+    facts = [item for item in range(1, n + 1)]
+    start = 1
+    for f in facts:
+        start *= f
+        yield start
+
+
+for el in fact(10):
+    print(el)