diff --git a/youngjin.han/python-the-hard-way/ex11.py b/youngjin.han/python-the-hard-way/ex11.py
new file mode 100644
index 0000000..8392830
--- /dev/null
+++ b/youngjin.han/python-the-hard-way/ex11.py
@@ -0,0 +1,12 @@
+#print("How old are you?", end=' ')
+#age = input()
+#print("How tall are you?", end=' ')
+#height = input()
+#print("How much do you weigh?", end=' ')
+#weight = input()
+
+age = input("How old are you?" ' ')
+height = input("How tall are you?" ' ')
+weight = input("How much do you weigh?" ' ')
+
+print(f"So, you're {age} old, {height} tall and {weight} heavy.")
diff --git a/youngjin.han/python-the-hard-way/ex12.py b/youngjin.han/python-the-hard-way/ex12.py
new file mode 100644
index 0000000..f1fcdd1
--- /dev/null
+++ b/youngjin.han/python-the-hard-way/ex12.py
@@ -0,0 +1,5 @@
+age = input("How old are you? ")
+height = input("How tall are you? ")
+weight = input("How much do you weigh? ")
+
+print(f"So, you're {age} old, {height} tall and {weight} heavy.")
diff --git a/youngjin.han/python.org b/youngjin.han/python.org
index 16fa719..dd879eb 100644
--- a/youngjin.han/python.org
+++ b/youngjin.han/python.org
@@ -5,7 +5,12 @@
    - ex9.py
      - none
    - ex10.py
-     - 
+     - none
+   - ex11.py
+     - none
+   - ex12.py
+     - pydoc input
+       - describe input on python. It looks like man commnad on linux shell.
 
 * 2020-05-18
 ** note