1welcome: Welcome 2identify_yourself: Hi, I'm a thread 3identify_yourself: Hi, I'm a thread 4identify_yourself: Hi, I'm a thread 5identify_yourself: Hi, I'm a thread 6identify_yourself: Hi, I'm a thread 7identify_yourself: Hi, I'm a thread 8identify_yourself: Hi, I'm a thread 9identify_yourself: Hi, I'm a thread 10identify_yourself: Hi, I'm a thread 11identify_yourself: Hi, I'm a thread 12main: Goodbye 13