Classes and objects

Question

I tried my best but didn't got the answer can anyone tell me where did I went wrong
https://code.sololearn.com/cCDYlz3YW95J/?ref=app

Answer 1

https://code.sololearn.com/ct2eCg2IFcsw/?ref=app

Fixed, if you have further questions, feel free to ask.

Answer 2

i fix your code and explain the problem inside : )

https://code.sololearn.com/cUJPCx73GA5m

Answer 3

You didn't declare a return type for getl().

Edit: That's not all... Gimme a sec

Answer 4

Line no:7 use len instead of getl
as :
len(string x,string y){ //constructer for class len

Not getl(string x,string y){ //normal function