TR updates, first round

Author: lpozo

python-mutable-immutable/immutable.py

@@ -1,6 +1,6 @@
 class Immutable:
-    def __init__(self, value):
-        super().__setattr__("value", value)
+    def __init__(self, magnitude):
+        super().__setattr__("magnitude", magnitude)
 
     def __setattr__(self, name, value):
         raise AttributeError(f"can't set attribute '{name}'")

python-mutable-immutable/person.py

@@ -0,0 +1,17 @@
+class Person:
+    def __init__(self, name):
+        self.name = name
+
+
+class Student(Person):
+    def __init__(self, name, major):
+        super().__init__(name)
+        self.major = major
+
+
+john = Student("John", "Computer Science")
+print(type(john))
+john.__class__ = Person
+print(john.name)
+print(john.major)
+print(type(john))