以编程方式向文本块添加一行

text_block = "This is a text block."
new_line = "This is a new line."
text_block_with_new_line = text_block + "\n" + new_line
print(text_block_with_new_line)

String textBlock = "This is a text block.";
String newLine = "This is a new line.";
String textBlockWithNewLine = textBlock + "\n" + newLine;
System.out.println(textBlockWithNewLine);

let textBlock = "This is a text block.";
let newLine = "This is a new line.";
let textBlockWithNewLine = textBlock + "\n" + newLine;
console.log(textBlockWithNewLine);