2019.2.13 修改 section02, dataclass 代码

wingfish · wingfish · commit 75ae1a819adc · 2019-02-13T22:26:07.000+08:00
diff --git a/section_02_data class/dataclass01.py b/section_02_data class/dataclass01.py
@@ -16,3 +16,18 @@ class Point:
 
 p = Point(x=2, y=3)
 print(p)
+
+
+class Point2:
+    def __init__(self, x, y, z=0.0):
+        self.x = x
+        self.y = y
+        self.z = z
+
+    def __repr__(self):
+        return 'Point(x={}, y={}, z={})'.format(self.x, self.y, self.z)
+
+
+p = Point2(1.5, 2.5)
+print(p)
+print(p.x, p.y, p.z)
