From fb1c692fbaeb012fa4f47bee166f8ef59c7aabd0 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Luiz=20Ot=C3=A1vio?= <luizomf@gmail.com>
Date: Sat, 19 Nov 2022 14:05:56 -0300
Subject: [PATCH] =?UTF-8?q?Exemplo=20de=20uso=20de=20dunder=20methods=20(m?=
 =?UTF-8?q?=C3=A9todos=20m=C3=A1gicos)?=
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---
 aula147.py | 39 +++++++++++++++++++++++----------------
 1 file changed, 23 insertions(+), 16 deletions(-)

diff --git a/aula147.py b/aula147.py
index 97aeb5d..d824e21 100644
--- a/aula147.py
+++ b/aula147.py
@@ -1,7 +1,4 @@
-# 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
+# Exemplo de uso de dunder methods (métodos mágicos)
 # __lt__(self,other) - self < other
 # __le__(self,other) - self <= other
 # __gt__(self,other) - self > other
@@ -16,22 +13,32 @@
 # __str__(self) - str
 # __repr__(self) - str
 class Ponto:
-    def __init__(self, x, y, z='String'):
+    def __init__(self, x, y):
         self.x = x
         self.y = y
-        self.z = z
-
-    def __str__(self):
-        return f'({self.x}, {self.y})'
 
     def __repr__(self):
-        # class_name = self.__class__.__name__
         class_name = type(self).__name__
-        return f'{class_name}(x={self.x!r}, y={self.y!r}, z={self.z!r})'
+        return f'{class_name}(x={self.x!r}, y={self.y!r})'
+
+    def __add__(self, other):
+        novo_x = self.x + other.x
+        novo_y = self.y + other.y
+        novo_ponto = Ponto(novo_x, novo_y)
+        return novo_ponto
+
+    def __gt__(self, other):
+        resultado_self = self.x + self.y
+        resultado_other = other.x + other.y
+        # print(f'{resultado_self=}')
+        # print(f'{resultado_other=}')
+        return resultado_self > resultado_other
 
 
-p1 = Ponto(1, 2)
-p2 = Ponto(978, 876)
-print(p1)
-print(repr(p2))
-print(f'{p2!r}')
+if __name__ == '__main__':
+    p1 = Ponto(4, 2)
+    p2 = Ponto(6, 4)
+    p3 = p1 + p2
+    print(p3)
+    print('P1 é maior que p2', p1 > p2)
+    print('P2 é maior que p1', p2 > p1)