Add explanation for Simple Problem Solving Agent (#724)

apb7 · norvig · commit 74dff567e460 · 2018-02-12T01:53:00.000-08:00
* Add SimpleProblemSolvingAgent

* Fix typo in search.py
diff --git a/README.md b/README.md
@@ -42,7 +42,7 @@ Here is a table of algorithms, the figure, name of the algorithm in the book and
 | 3      | Problem                           | `Problem`                     | [`search.py`][search]           | Done |          |
 | 3      | Node                              | `Node`                        | [`search.py`][search]           | Done |          |
 | 3      | Queue                             | `Queue`                       | [`utils.py`][utils]             | Done |          |
-| 3.1    | Simple-Problem-Solving-Agent      | `SimpleProblemSolvingAgent`   | [`search.py`][search]           |      |          |
+| 3.1    | Simple-Problem-Solving-Agent      | `SimpleProblemSolvingAgent`   | [`search.py`][search]           |      | Included         |
 | 3.2    | Romania                           | `romania`                     | [`search.py`][search]           | Done | Included |
 | 3.7    | Tree-Search                       | `tree_search`                 | [`search.py`][search]           | Done |          |
 | 3.7    | Graph-Search                      | `graph_search`                | [`search.py`][search]           | Done |          |
diff --git a/search.ipynb b/search.ipynb
diff --git a/search.py b/search.py
@@ -145,7 +145,7 @@ class SimpleProblemSolvingAgentProgram:
     """Abstract framework for a problem-solving agent. [Figure 3.1]"""
 
     def __init__(self, initial_state=None):
-        """State is an sbstract representation of the state
+        """State is an abstract representation of the state
         of the world, and seq is the list of actions required
         to get to a particular state from the initial state(root)."""
         self.state = initial_state
