ex36

stock.py

@@ -7,6 +7,18 @@ class Stock:
         self.shares = shares
         self.price = price
 
+    def __repr__(self):
+        return f"Stock({self.name!r}, {self.shares!r}, {self.price!r})"
+
+    def __eq__(self, other):
+        if not isinstance(other, Stock):
+            return False
+        return (self.name, self.shares, self.price) == (
+            other.name,
+            other.shares,
+            other.price,
+        )
+
     @classmethod
     def from_row(cls, row):
         values = [func(val) for func, val in zip(cls._types, row)]