diff --git a/#task1.py b/#task1.py
new file mode 100644
index 0000000..4bfd0ea
--- /dev/null
+++ b/#task1.py
@@ -0,0 +1,55 @@
+#task2 
+def count_sheeps(sheep): 
+    return sheep.count(True) 
+ 
+ 
+#task3 
+def monkey_count(n): 
+    result = [] 
+    for num in range(1, n + 1): 
+        result.append(num) 
+    return result 
+monkey_count(10) 
+ 
+ 
+#task4 
+def paperwork(n, m): 
+    return n * m if n > 0 and m > 0 else 0  
+paperwork(10,16) 
+ 
+ 
+#task5 
+def hero(b, d): 
+  bulletsneeded = d * 2 
+  if b >= bulletsneeded: 
+    return True 
+  else: 
+    return False 
+hero(30,10)
+#task1 
+def polish_letters(s): 
+    polish = {"ą": "a", "ć": "c", "ę": "e", "ł": "l", "ń": "n", "ó": "o", "ś": "s", "ź": "z", "ż": "z"} 
+    return "".join([polish[c] if c in polish else c for c in s]) 
+ 
+#task2 
+def sum_of_minimums(numbers): 
+    result = 0 
+    for i in numbers: 
+        result += min(i) 
+    return result 
+ 
+ 
+ 
+#task3 
+list = [] 
+ 
+ 
+def find_all(list, x): 
+    l = len(list) 
+    result = [] 
+    for i in range(0,l): 
+        if x == list[i]: 
+            result.append(i) 
+    return result 
+ 
+ 
\ No newline at end of file
diff --git a/lab1.py b/lab1.py
new file mode 100644
index 0000000..5001171
--- /dev/null
+++ b/lab1.py
@@ -0,0 +1,29 @@
+import math
+
+a = 0.1
+b = 0.5
+
+
+def y(x):
+    return (a + (math.tan(b * x)) ** 2) / (b + (1/math.tan(a * x)) ** 2)
+
+
+#  task №17 A
+print("task №17 A")
+
+x_first = 0.15
+x_last = 1.37
+step = 0.25
+
+x = x_first
+while x < x_last:
+    print(f"x = {x} y = {y(x)}")
+    x += step
+
+#  task №17 B
+print("task №17 B")
+
+array_x = [0.2, 0.3, 0.44, 0.6, 0.56]
+for x in array_x:
+    print(f"x = {x} y = {y(x)}")
+