Kotlin doubt on Array import

Question

Hi sir,
I'm new to coding i dont no what to import to avoid error in following code...
Please help me!

https://code.sololearn.com/c7sg4O2sA9op/?ref=app

Answer 1

x.toString() would avoid the import, but you won't like the output.
x.joinToString(", ","[","]") will get a formated list. Parameters: string between values, string to start with, and string to end with. There are more and they all have default values so none need to be used.