Add easy/type_of_triangle.py

easy/type_of_triangle.py

@@ -0,0 +1,16 @@
+# https://leetcode.com/problems/type-of-triangle
+
+from typing import List
+
+class Solution:
+    def triangleType(self, nums: List[int]) -> str:
+        [a, b, c] = nums
+        if a == b == c:
+            return "equilateral"
+        s = a + b + c
+        m = max(nums)
+        if s - m <= m:
+            return "none"
+        if a == b or b == c or a == c:
+            return "isosceles" 
+        return "scalene"