<p> </p><p>>>> "圆周率{{{1}{2}}}是{0}".format("无理数",3.1415926,"...")</p><p>'圆周率{3.1415926...}是无理数'</p><p>>>> s="圆周率{{{1}{2}}}是{0}"</p><p>>>> </p><p>>>> </p><p>>>> </p><p>>>> </p><p>>>> </p><p>>>> </p><p><br ></p>