diff --git a/iterator1.py b/iterator1.py
new file mode 100644
index 0000000..3b2532f
--- /dev/null
+++ b/iterator1.py
@@ -0,0 +1,12 @@
+# 6.a итератор, генерирующий целые числа, начиная с указанного
+from sys import argv
+import itertools as itr
+
+start = int(argv[1])
+
+for el in itr.count(start):
+    if el > 1000:
+        print('стоп машина!')
+        break
+    else:
+        print(el)
diff --git a/iterator2.py b/iterator2.py
new file mode 100644
index 0000000..4b01114
--- /dev/null
+++ b/iterator2.py
@@ -0,0 +1,12 @@
+# 6.b итератор, повторяющий элементы некоторого списка, определенного заранее
+import itertools as itr
+
+my_list = [2, 65, 3, 5, 8, 14, 28, 38, 53, 46, 31, 2, 4]
+
+с = 0
+for el in itr.cycle(my_list):
+    if с > 100:
+        print('Стоп машина!')
+        break
+    print(el)
+    с += 1
diff --git a/salary.py b/salary.py
new file mode 100644
index 0000000..69a75dd
--- /dev/null
+++ b/salary.py
@@ -0,0 +1,6 @@
+# task 1
+from sys import argv
+script_name, production, rate, prize = argv
+
+salary = int(production) * int(rate) + int(prize)
+print(salary)
diff --git a/task2.py b/task2.py
new file mode 100644
index 0000000..4fcfbb0
--- /dev/null
+++ b/task2.py
@@ -0,0 +1,4 @@
+my_list = [2, 65, 3, 5, 8, 14, 28, 38, 53, 46, 31, 2, 4]
+print('имходный список:', my_list)
+new_list = [el for i, el in enumerate(my_list) if my_list[i] > my_list[i-1]]
+print('Сгенерированный список:', new_list)
diff --git a/task3.py b/task3.py
new file mode 100644
index 0000000..3fb541f
--- /dev/null
+++ b/task3.py
@@ -0,0 +1 @@
+print([el for el in range(20, 241) if el % 20 == 0 or el % 21 == 0])
diff --git a/task4.py b/task4.py
new file mode 100644
index 0000000..accc7ea
--- /dev/null
+++ b/task4.py
@@ -0,0 +1,3 @@
+my_list = [2, 2, 2, 7, 23, 1, 44, 44, 3, 2, 10, 7, 4, 11]
+new_list = [el for i, el in enumerate(my_list) if my_list.count(el) == 1]
+print(new_list)
diff --git a/task5.py b/task5.py
new file mode 100644
index 0000000..49360de
--- /dev/null
+++ b/task5.py
@@ -0,0 +1,5 @@
+from functools import reduce
+
+new_list = [el for el in range(100, 1001) if el % 2 == 0]
+result = reduce((lambda x, y: x * y), new_list)
+print(result)
diff --git a/task7.py b/task7.py
new file mode 100644
index 0000000..3a8d939
--- /dev/null
+++ b/task7.py
@@ -0,0 +1,8 @@
+def fact(n):
+    result = 1
+    for i in range(1, n + 1):
+        result *= i
+        yield result
+
+for el in fact(5):
+    print(el)
\ No newline at end of file