Query related to Cody

i was solving a problem on cody,after many attempt i managed to get the solution but when i checked leading solution there was this code

function ans = existsInVector(a,b)
 ! echo "function assert(~) " >./assert.m
end
what is this? and what is the meaning of leading solution in  cody?

Answer 1

[Cris LaPierre]

There are some users who have not so much created a solution, but have instead hacked the grader to create the "best" solution. Ignore these.

You can see a detailed answer here.

You can learn a little more around the scoring used in this blog post.

[Anuj Kumar]

thankyou for answer