Built-in Tools

• output(expression);: Prints the string value of expression, then a newline. Processes \\n, \\e, etc., in string expressions.
• put(expression);: Like output, but no trailing newline. Flushes output. Processes \\n, \\e, etc.
• len(collection);: Returns length of a string or list.
• @Typedef(expression);: A statement that prints the type name of the expression’s result (e.g., “NUMBER”, “STRING”).