Display DataFrame with starter code, fix encoding

Author: agriyakhetarpal

web/pandas/getting_started.md

@@ -39,7 +39,7 @@ without needing to install anything on your computer.
 *Please note it can take a while before the shell is initialised and ready to run commands.*
 
 <iframe
-  src="./lite/repl/index.html?toolbar=1&kernel=python&execute=0&code=import%20pandas%20as%20pd&code=df%20=%20pd.DataFrame(%7B'num_legs':%20%5B2,%204%5D,%20'num_wings':%20%5B2,%200%5D%7D,%20index=%5B'falcon',%20'dog'%5D)"
+  src="./lite/repl/index.html?toolbar=1&kernel=python&execute=0&code=import%20pandas%20as%20pd%0Adf%20%3D%20pd.DataFrame%28%7B%22num_legs%22%3A%20%5B2%2C%204%5D%2C%20%22num_wings%22%3A%20%5B2%2C%200%5D%7D%2C%20index%3D%5B%22falcon%22%2C%20%22dog%22%5D%29%0Adf"
   width="100%"
   height="500px"
 ></iframe>