From a753cfeaac85f020eab1ca252e1c81c5a849ca40 Mon Sep 17 00:00:00 2001
From: Youngjin Han <youngjin.han@ungleich.ch>
Date: Wed, 17 Jun 2020 22:25:02 +0900
Subject: [PATCH] Learning Circle : python #12 - ex44.py

---
 youngjin.han/learning-node02-2020.org     |  8 ++++++
 youngjin.han/python-the-hard-way/ex44a.py | 13 +++++++++
 youngjin.han/python-the-hard-way/ex44b.py | 15 +++++++++++
 youngjin.han/python-the-hard-way/ex44c.py | 17 ++++++++++++
 youngjin.han/python-the-hard-way/ex44d.py | 32 +++++++++++++++++++++++
 youngjin.han/python-the-hard-way/ex44e.py | 32 +++++++++++++++++++++++
 youngjin.han/python.org                   |  4 +++
 7 files changed, 121 insertions(+)
 create mode 100644 youngjin.han/python-the-hard-way/ex44a.py
 create mode 100644 youngjin.han/python-the-hard-way/ex44b.py
 create mode 100644 youngjin.han/python-the-hard-way/ex44c.py
 create mode 100644 youngjin.han/python-the-hard-way/ex44d.py
 create mode 100644 youngjin.han/python-the-hard-way/ex44e.py

diff --git a/youngjin.han/learning-node02-2020.org b/youngjin.han/learning-node02-2020.org
index a30e0fc..0f5c6aa 100644
--- a/youngjin.han/learning-node02-2020.org
+++ b/youngjin.han/learning-node02-2020.org
@@ -1,3 +1,11 @@
+* 2020-06-17
+*** Python #11:
+**** DONE Lecture content
+     CLOSED: [2020-06-17 수 22:24]
+     - Same structure as "Python #2"
+     - Exercise 44
+**** Lecture material
+     - Available on https://cloud.ungleich.ch/s/435FyfrQyEq6oF3
 * 2020-06-15
 *** DONE Python #10:
     CLOSED: [2020-06-15 월 23:55]
diff --git a/youngjin.han/python-the-hard-way/ex44a.py b/youngjin.han/python-the-hard-way/ex44a.py
new file mode 100644
index 0000000..f43251b
--- /dev/null
+++ b/youngjin.han/python-the-hard-way/ex44a.py
@@ -0,0 +1,13 @@
+class Parent(object):
+
+    def implicit(self):
+        print("PARENT implicit()")
+
+class Child(Parent):
+    pass
+
+dad = Parent()
+son = Child()
+
+dad.implicit()
+son.implicit()
diff --git a/youngjin.han/python-the-hard-way/ex44b.py b/youngjin.han/python-the-hard-way/ex44b.py
new file mode 100644
index 0000000..331295f
--- /dev/null
+++ b/youngjin.han/python-the-hard-way/ex44b.py
@@ -0,0 +1,15 @@
+class Parent(object):
+
+    def override(self):
+        print("PARENT override()")
+
+class Child(Parent):
+
+    def override(self):
+        print("CHILD override()")
+
+dad = Parent()
+son = Child()
+
+dad.override()
+son.override()
diff --git a/youngjin.han/python-the-hard-way/ex44c.py b/youngjin.han/python-the-hard-way/ex44c.py
new file mode 100644
index 0000000..e935d04
--- /dev/null
+++ b/youngjin.han/python-the-hard-way/ex44c.py
@@ -0,0 +1,17 @@
+class Parent(object):
+
+    def altered(self):
+        print("PARENT altered()")
+
+class Child(Parent):
+
+    def altered(self):
+        print("CHILD, BEFORE PARENT altered()")
+        super(Child, self).altered()
+        print("CHILD, AFTER PARENT altered()")
+
+dad = Parent()
+son = Child()
+
+dad.altered()
+son.altered()
diff --git a/youngjin.han/python-the-hard-way/ex44d.py b/youngjin.han/python-the-hard-way/ex44d.py
new file mode 100644
index 0000000..032df1e
--- /dev/null
+++ b/youngjin.han/python-the-hard-way/ex44d.py
@@ -0,0 +1,32 @@
+class Parent(object):
+
+    def override(self):
+        print("PARENT override()")
+
+    def implicit(self):
+        print("PARENT implicit()")
+
+    def altered(self):
+        print("PARENT altered()")
+
+class Child(Parent):
+
+    def override(self):
+        print("CHILD override()")
+
+    def altered(self):
+        print("CHILD, BEFORE PARENT altered()")
+        super(Child, self).altered()
+        print("CHILD, AFTER PARENT altered()")
+
+dad = Parent()
+son = Child()
+
+dad.implicit()
+son.implicit()
+
+dad.override()
+son.override()
+
+dad.altered()
+son.altered()
diff --git a/youngjin.han/python-the-hard-way/ex44e.py b/youngjin.han/python-the-hard-way/ex44e.py
new file mode 100644
index 0000000..084abe1
--- /dev/null
+++ b/youngjin.han/python-the-hard-way/ex44e.py
@@ -0,0 +1,32 @@
+class Other(object):
+
+    def override(self):
+        print("OTHER override()")
+
+    def implicit(self):
+        print("OTHER implicit()")
+
+    def altered(self):
+        print("OTHER altered()")
+
+class Child(object):
+
+    def __init__(self):
+        self.other = Other()
+
+    def implicit(self):
+        self.other.implicit()
+
+    def override(self):
+        print("CHILD override()")
+
+    def altered(self):
+        print("CHILD, BEFORE OTHER altered()")
+        self.other.altered()
+        print("CHILD, AFTER OTHER altered()")
+
+son = Child()
+
+son.implicit()
+son.override()
+son.altered()
diff --git a/youngjin.han/python.org b/youngjin.han/python.org
index b60fe35..9b082d6 100644
--- a/youngjin.han/python.org
+++ b/youngjin.han/python.org
@@ -1,3 +1,7 @@
+* 2020-06-17
+** note
+  - ex44.py
+    - none
 * 2020-06-15
 ** note
   - ex43.py