Added task 3

basic programming/3rd task/3.py

@@ -0,0 +1,17 @@
+def get_middle(n1: float, n2: float, n3: float) -> int:
+    # בודק את המספר האמצעי באופן ישיר:
+    if (n1 >= n2 and n1 <= n3) or (n1 <= n2 and n1 >= n3):
+        return n1
+    elif (n2 >= n1 and n2 <= n3) or (n2 <= n1 and n2 >= n3):
+        return n2
+    else:
+        return n3
+
+def main_3ex():
+    n1, n2, n3 = 8, 2, 6
+    print(f'Amoung {n1} {n2} {n3} the middle is: {get_middle(n1, n2, n3)}')
+
+    n1, n2, n3 = 5, 9, 3
+    print(f'Amoung {n1} {n2} {n3} the middle is: {get_middle(n1, n2, n3)}')
+
+main_3ex()