diff --git a/task_01.py b/task_01.py
new file mode 100644
index 0000000..c898138
--- /dev/null
+++ b/task_01.py
@@ -0,0 +1,4 @@
+a = int(input())
+b = int(input())
+for i in range(a, b+1):
+    print(i, end=' ')
diff --git a/task_02.py b/task_02.py
new file mode 100644
index 0000000..70c336d
--- /dev/null
+++ b/task_02.py
@@ -0,0 +1,10 @@
+a = int(input())
+b = int(input())
+if a < b:
+    for i in range(a, b+1):
+        print(i, end=' ')
+elif a > b:
+    for i in range(a, b-1, -1):
+        print(i, end=' ')
+else:
+    print(a)
diff --git a/task_03.py b/task_03.py
new file mode 100644
index 0000000..714c169
--- /dev/null
+++ b/task_03.py
@@ -0,0 +1,4 @@
+a = int(input())
+b = int(input())
+for i in range(a-(a+1) % 2, b-b % 2, -2):
+    print(i, end=' ')
diff --git a/task_04.py b/task_04.py
new file mode 100644
index 0000000..991cf41
--- /dev/null
+++ b/task_04.py
@@ -0,0 +1,5 @@
+result = 0
+for i in range(10):
+    num = int(input())
+    result += num
+print(result)
diff --git a/task_05.py b/task_05.py
new file mode 100644
index 0000000..a7e220c
--- /dev/null
+++ b/task_05.py
@@ -0,0 +1,5 @@
+nums = int(input())
+result = 0
+for i in range(nums):
+    result += int(input())
+print(result)
diff --git a/task_06.py b/task_06.py
new file mode 100644
index 0000000..4e36f57
--- /dev/null
+++ b/task_06.py
@@ -0,0 +1,6 @@
+from math import pow
+nums = int(input())
+result = 0
+for i in range(1, nums+1):
+    result += int(pow(i, 3))
+print(result)
diff --git a/task_07.py b/task_07.py
new file mode 100644
index 0000000..61d57e5
--- /dev/null
+++ b/task_07.py
@@ -0,0 +1,5 @@
+n = int(input())
+result = 1
+for i in range(1, n+1):
+    result *= i
+print(result)
diff --git a/task_08.py b/task_08.py
new file mode 100644
index 0000000..09296bb
--- /dev/null
+++ b/task_08.py
@@ -0,0 +1,7 @@
+n = int(input())
+fac_mul = 1
+fac_sum = 0
+for i in range(1, n+1):
+    fac_mul *= i
+    fac_sum += fac_mul
+print(fac_sum)
diff --git a/task_09.py b/task_09.py
new file mode 100644
index 0000000..d7dcd1b
--- /dev/null
+++ b/task_09.py
@@ -0,0 +1,7 @@
+n = int(input())
+result = 0
+for i in range(n):
+    num = int(input())
+    if num == 0:
+        result += 1
+print(result)
diff --git a/task_10.py b/task_10.py
new file mode 100644
index 0000000..7d335a1
--- /dev/null
+++ b/task_10.py
@@ -0,0 +1,6 @@
+n = int(input())
+last_num = 0
+for i in range(1, n+1):
+    last_num += i
+    print(last_num)
+    last_num *= 10
diff --git a/task_11.py b/task_11.py
new file mode 100644
index 0000000..1cbb4ec
--- /dev/null
+++ b/task_11.py
@@ -0,0 +1,7 @@
+n = int(input())
+sum = 0
+for i in range(1, n + 1):
+    sum += i
+for i in range(n - 1):
+    sum -= int(input())
+print(sum)