在字符串连接中添加换行符

string1 = "Hello"
string2 = "World"
result = string1 + "\n" + string2
print(result)

Hello
World

string1 = "Hello"
string2 = "World"
result = "\n".join([string1, string2])
print(result)

Hello
World

#include <stdio.h>

int main() {
    char string1[] = "Hello";
    char string2[] = "World";
    printf("%s%n%s\n", string1, string2);
    return 0;
}

Hello
World