## Input as a Service

<img src="https://imgur.com/iowzjOV.png"/>

On connecting with the port it shows a python2 shell , giving it an input it shows an error

<img src="https://imgur.com/xVGZbfx.png"/>

But if we supply a string it won't break

<img src="https://imgur.com/k7EVczX.png"/>

On googling around to import a python module I found a techique to import a module using `___import___` as the input is accepting only string so this will be accepting as string

<img src="https://imgur.com/UwduQcf.png"/>

<img src="https://imgur.com/uoNabgx.png"/>

And we'll get the flag

<img src="https://imgur.com/ecNQSGg.png"/>

We can also look at the source

<img src="https://imgur.com/CgXIak7.png"/>

With this we solved the challenge !!