diff --git a/solutions/python/triangle/1/triangle.py b/solutions/python/triangle/1/triangle.py
new file mode 100644
index 000000000000..14d73c21db17
--- /dev/null
+++ b/solutions/python/triangle/1/triangle.py
@@ -0,0 +1,16 @@
+def is_triangle(sides):
+    return(sides[0]+sides[1]>=sides[2] and sides[1]+sides[2]>=sides[0] and sides[2]+sides[0]>=sides[1])
+
+def equilateral(sides):
+    return(sides[0]==sides[1]==sides[2] and not 0 in sides and is_triangle(sides))
+    pass
+
+
+def isosceles(sides):
+    return(len(set(sides))==1 or len(set(sides))==2 and is_triangle(sides))
+    pass
+
+
+def scalene(sides):
+    return(len(set(sides))==3 and is_triangle(sides))
+    pass