Update README.md

README.md

@@ -5,7 +5,7 @@
 <p align="center">
 <a  href="#"><img  width="30%" height="auto" src="https://octodex.github.com/images/hula_loop_octodex03.gif" height="100px"/></a></p>
 
-### How to Install Git
+## How to Install Git
 - Go to https://git-scm.com
 <img width = "60%" src = "https://southcentralus1-mediap.svc.ms/transform/thumbnail?provider=spo&inputFormat=png&cs=fFNQTw&docid=https%3A%2F%2Fstdntpartners-my.sharepoint.com%3A443%2F_api%2Fv2.0%2Fdrives%2Fb!Y-EHND1ykEy6JfdfdCGVtH2J_Hn7WHZDiGlViStl0V4TeBVFLxRyQqPp79u1SuGr%2Fitems%2F01SYWO3W2LVDYPQBSW3NE2YDL3UKFQE23R%3Fversion%3DPublished&access_token=eyJ0eXAiOiJKV1QiLCJhbGciOiJub25lIn0.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.bk04cHBmaGZFQnVPdE85OVdsankvV0docTRSZ1FaYTV1OXh4ZmVrUTBRST0&encodeFailures=1&width=1440&height=776&srcWidth=&srcHeight=">
 
@@ -29,17 +29,49 @@ git config ––global user.email “email_address”
 <img src = "https://southcentralus1-mediap.svc.ms/transform/thumbnail?provider=spo&inputFormat=png&cs=fFNQTw&docid=https%3A%2F%2Fstdntpartners-my.sharepoint.com%3A443%2F_api%2Fv2.0%2Fdrives%2Fb!Y-EHND1ykEy6JfdfdCGVtH2J_Hn7WHZDiGlViStl0V4TeBVFLxRyQqPp79u1SuGr%2Fitems%2F01SYWO3W3RILNNS6J5MBGLL7ZXYVAZFE7T%3Fversion%3DPublished&access_token=eyJ0eXAiOiJKV1QiLCJhbGciOiJub25lIn0.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.bk04cHBmaGZFQnVPdE85OVdsankvV0docTRSZ1FaYTV1OXh4ZmVrUTBRST0&encodeFailures=1&width=1440&height=776&srcWidth=&srcHeight=">
 
 - Now there are two ways
-- - One by cloning this repo
+  - One by cloning this repo
+
 ```
 git init
 git commit -m "first commit"
 git branch -M main
 git remote add origin https://github.com/psathyanarayan/testtt.git
 git push -u origin main 
 ```
-- - Or by coding then pushing to this repo
+  - Or by coding then pushing to this repo
+
 ```
 git remote add origin https://github.com/psathyanarayan/testtt.git
 git branch -M main
 git push -u origin main
 ```
+## Creating and changing Branches
+
+- This creates and changes to the new branch new
+```
+git branch new
+git checkout new
+```
+<img src = "https://southcentralus1-mediap.svc.ms/transform/thumbnail?provider=spo&inputFormat=png&cs=fFNQTw&docid=https%3A%2F%2Fstdntpartners-my.sharepoint.com%3A443%2F_api%2Fv2.0%2Fdrives%2Fb!Y-EHND1ykEy6JfdfdCGVtH2J_Hn7WHZDiGlViStl0V4TeBVFLxRyQqPp79u1SuGr%2Fitems%2F01SYWO3WYWCKRPRALHURCLMOC7NT4AXOZT%3Fversion%3DPublished&access_token=eyJ0eXAiOiJKV1QiLCJhbGciOiJub25lIn0.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.MnA0VFdISzJld052NytjcTI3amY5M3pDZzZueXVDenh3eHB1eGtjYW9Naz0&encodeFailures=1&width=1440&height=776&srcWidth=&srcHeight=">
+
+## Version Control
+- I commited 3 chnaged to my file
+```
+git log --oneline 
+```
+#### Shows all my commit with thei SHA1
+
+<img src = "https://southcentralus1-mediap.svc.ms/transform/thumbnail?provider=spo&inputFormat=png&cs=fFNQTw&docid=https%3A%2F%2Fstdntpartners-my.sharepoint.com%3A443%2F_api%2Fv2.0%2Fdrives%2Fb!Y-EHND1ykEy6JfdfdCGVtH2J_Hn7WHZDiGlViStl0V4TeBVFLxRyQqPp79u1SuGr%2Fitems%2F01SYWO3WYJWTM627QO6REJKSP4IUSH2U4Z%3Fversion%3DPublished&access_token=eyJ0eXAiOiJKV1QiLCJhbGciOiJub25lIn0.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.MnA0VFdISzJld052NytjcTI3amY5M3pDZzZueXVDenh3eHB1eGtjYW9Naz0&encodeFailures=1&width=1440&height=776&srcWidth=&srcHeight=">
+
+- If I need to know what is in the 2nd commit of  Hello.py 
+```
+ git show 66874b6:Hello.py
+```
+#### Where 66874b6 is the shown SHA key when we perform the above step
+<img src = "https://southcentralus1-mediap.svc.ms/transform/thumbnail?provider=spo&inputFormat=png&cs=fFNQTw&docid=https%3A%2F%2Fstdntpartners-my.sharepoint.com%3A443%2F_api%2Fv2.0%2Fdrives%2Fb!Y-EHND1ykEy6JfdfdCGVtH2J_Hn7WHZDiGlViStl0V4TeBVFLxRyQqPp79u1SuGr%2Fitems%2F01SYWO3W4YV2WCENTGSNCYITHLC2FTWSB7%3Fversion%3DPublished&access_token=eyJ0eXAiOiJKV1QiLCJhbGciOiJub25lIn0.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.MnA0VFdISzJld052NytjcTI3amY5M3pDZzZueXVDenh3eHB1eGtjYW9Naz0&encodeFailures=1&width=1440&height=776&srcWidth=&srcHeight=">
+
+- If I need to revert to this change then
+```
+git checkout 66874b6 Hello.py
+```
+#### Then normally commit