摘要：
打印得出： There are 100 cars available.There are only 30 drivers available.There will be 70 empty cars today.We can transport 120.0 people today.We have 9 阅读全文
摘要：
+ plus 加号- minus 减号/ slash 斜杠* asterisk 星号% percent 百分号< less-than 小于号> greater-than 大于号<= less-than-equal 小于等于号>= greater-than-equal 大于等于号 打印得出： I wi 阅读全文
摘要：
打印的到： Hello World!Hello AgainI like typing this.This is fun.Yay! Printing.I'd much rather you 'not'.I "said" do not touch this. 阅读全文