From 7487bfbbba1e3c0c525f0a806f345d58f8171861 Mon Sep 17 00:00:00 2001
From: Stanislav Mykhailenko <mykhailenkostanislavzno@gmail.com>
Date: Thu, 27 Oct 2022 22:18:25 +0300
Subject: [PATCH] Add Lesson 2 Task 5

---
 Lesson_2/task5.py | 35 +++++++++++++++++++++++++++++++++++
 1 file changed, 35 insertions(+)
 create mode 100644 Lesson_2/task5.py

diff --git a/Lesson_2/task5.py b/Lesson_2/task5.py
new file mode 100644
index 0000000..ec9c5d9
--- /dev/null
+++ b/Lesson_2/task5.py
@@ -0,0 +1,35 @@
+# Lesson 2 Task 5: sort a comma-separated array of numbers, output the smallest and the biggest elements, and the sum of the rest elements
+# Author: Stanislav Mykhailenko
+# License: Unlicense
+
+# Return codes:
+# 0 - OK
+
+def is_float(number):
+	try:
+		float(number)
+	except ValueError:
+		return False
+	return True
+
+list = [element for element in list(dict.fromkeys(input("Enter a comma-separated list: ").split(','))) if is_float(element)] # remove all duplicates and non-number values
+
+if len(list) == 0:
+	print("The list is empty")
+else:
+	list.sort(key = float)
+	print(list)
+
+	print ("The " + ("only" if len(list) == 1 else "smallest") + " element is: " + str(list[0]))
+	list.remove(list[0])
+
+	if len(list) > 0:
+		print ("The biggest element is: " + str(list[-1]))
+		list.remove(list[-1])
+
+		if len(list) > 0:
+			sum = 0
+
+			for elem in list:
+				sum = sum + float(elem)
+			print(sum)