Pr 16

practice-16/pr16.py

@@ -0,0 +1,38 @@
+import math
+
+def check(text):
+	while(True):
+		try:
+			num = float(input(text))
+			assert num > 0
+		except (ValueError, AssertionError):
+			print('This is not valid option.')
+			continue
+		else:
+			return num
+			break
+
+def triangle_ineq(func):
+	def inner(*args, **kwargs):
+		while (True):
+			try:
+				a = check('Enter the first side: ')
+				b = check('Enter the second side: ')
+				c = check('Enter the third side: ')
+				assert a + b > c
+				assert a + c > b
+				assert b + c > a
+			except AssertionError:
+				print('This sides is not valid for triangle')
+				continue
+			else:
+				print(f'Area of a thiangle : {func(a, b, c)}')
+				break
+	return inner
+
+@triangle_ineq	
+def area_calculation(a = None, b = None, c = None):
+	p = round((a + b + c) / 2, 2)
+	return round(math.sqrt(p * (p - a) * (p - b) * (p - c)), 2)
+
+area_calculation()