Create pretty.py

Author: ztk37

python/pretty.py

@@ -0,0 +1,20 @@
+class Vector:
+    def __init__(self, x, y, z):
+        self.x = x
+        self.y = y
+        self.z = z
+        
+    def __str__(self):
+        fields = [
+            ("x", self.x),
+            ("y", self.y),
+            ("z", self.z)
+        ]
+        
+        return "Vector { " + ", ".join(["%s=%s" % (k, v) for (k, v) in fields]) + " }"
+        
+vec = Vector(1, 2, 3)
+
+print(vec)
+print("{0}".format(42))
+print(["%s=%s" % (42, 21) for (k, v) in [("a", 1), ("b", 2), ("c", 3)]])