<font class="Apple-style-span" face="arial, sans-serif"><span class="Apple-style-span" style="border-collapse: collapse; -webkit-border-horizontal-spacing: 2px; -webkit-border-vertical-spacing: 2px;"><div>>>> b=12</div>
<div>>>> print ("%c" % b)</div><div>□</div><div> </div><div>>>> b=1</div><div>>>> print ("%c" % b)</div><div>□</div><div><br></div><div>为什么会出现方框呢?</div><div><br></div><div>print ("Welcome \a to \r Python!")</div>
<div>得到</div><div><div>Welcome □ to Python!</div></div><div>中的“\a”为什么得到的也是方框 而\r 没有任何效果。</div><div><br></div><div>Py新手……</div><div>真诚求教……</div><div> </div><div><br></div></span></font>------------------------------------------------------------<br>
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