this function displays a stringified object to the standard output.
- @parameter : object - any variable that can be converted into string
- @return : N/A
this function displays a stringified object to the standard error. If the object is a list, it displays each entry on a new single line.
- @parameter : object - any variable that can be converted into string
- @return : N/A
Returns a simple integer value from the stdin. It can return an array of integers from the stdin (each integer value is on a different line).
The 'n' (optional) parameter is strictly positive, and represents the count of lines to retrieve. If 'n' equals to '1', the result is a simple integer, if greater, the result is an integer list.
- @parameter : n - optional positive parameter with default value to 1.
- @return : integer value (or list of integers)