s = set( ABC )
s.add( z )
s.update( BCD )
s.remove( DEF ) # error here
s -= set( DEFG )
正如其他人指出的, DEF , 您试图删除的指定成员是not , 以及remove , 每一名,被指定为“如果贵重不包含在规定的范围之内的话,关键误差”。
如果你想要“放任要素”就意味着沉默的禁闭,那么仅使用,而不是remove <>/code>: s
set.remove( 必须是固定的成员。
www.un.org/Depts/DGACM/index_french.htm www.un.org/Depts/DGACM/index_french.htm
http://docs.python.org/library/stdtypes.html“rel=“nofollow noreferer” http://docs.python.org/library/stdtypes.html:
删除
从这套装置中去除元素。 如果精子不包含在规定的范围之内的话,会发现关键错误。
DEF没有列入规定
您是否希望将<条码>DEF作为element或>处理?
在后一种情况下,使用<代码>s.difference_update(DEF )。
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