摘要:
1.python字符串通常有单引号('...')、双引号("...")、三引号("""...""")或('''...''')包围,三引 号包含的字符串可由多行组成,一般可表示大段的叙述性字符串。在使用时基本没有差别,但双引号和三引号("""...""")中可以包含单引号,三引号 ('''...'''... 阅读全文
摘要:
Stocks were up for a second straight day.(连续两天)However, one has to wonder if there is a false sense of security allowing this to happen.(错误的安全感)You se... 阅读全文
摘要:
1. there are stocks that get beaten up, give a pause at or near the bottom and then begin to head back higher. These stocks generally have something i... 阅读全文