update

Author: ilsanbao

Diff for: README.md

@@ -1,2 +1,20 @@
 # ipdb-python
 IPIP.net officially supported IP database ipdb format parsing library
+
+# Python Parse ipdb file
+
+## Installing
+<pre>
+<code>pip install ipip-ipdb</code>
+</pre>
+## Code Example
+  <pre><code>
+import ipdb
+
+db = ipdb.Reader("/path/to/mydatatest.ipdb")
+print(db.find("2001:250:200::"))
+print(db.find_map("2001:250:200::"))
+
+info = db.find_info("2a06:e881:3800::")
+print(info.country_name, info.region_name, info.city_name, info.owner_domain, info.isp_domain, info.latitude, info.longitude, info.timezone, info.utc_offset)
+  </pre></code>