diff --git a/aula147.py b/aula147.py
index 59dbb43..fd96bd1 100644
--- a/aula147.py
+++ b/aula147.py
@@ -1,4 +1,4 @@
-# Teoria: python Special Methods, Magic Methods ou Dunder Methods
+# Python Dunder Methods __repr__ e __str__
 # Dunder = Double Underscore = __dunder__
 # Antigo e útil: https://rszalski.github.io/magicmethods/
 # https://docs.python.org/3/reference/datamodel.html#specialnames
@@ -15,3 +15,26 @@
 # __neg__(self) - -self
 # __str__(self) - str
 # __repr__(self) - str
+class Ponto:
+    def __init__(self, x, y, outra='Nada'):
+        self.x = x
+        self.y = y
+        self.outra = outra
+
+    def __str__(self):
+        return f'Ponto - {self.x}, {self.y}'
+
+    def __repr__(self):
+        return f'Ponto(x={self.x!r}, y={self.y!r}, outra={self.outra!r})'
+
+
+p1 = Ponto(1, 2)
+p2 = Ponto(90, 43)
+p2_str = str(p2)
+print(p1)
+print(p2)
+print()
+print(repr(p1))
+print(repr(p2))
+print()
+print(f'{p1!r}')