这应该是最有效和最短的:
import operatorfilter(operator.isNumberType, list_1)
编辑:这在python 3000中:
import numbers[x for x in list_1 if isinstance(x, numbers.Number)]

这应该是最有效和最短的:
import operatorfilter(operator.isNumberType, list_1)
编辑:这在python 3000中:
import numbers[x for x in list_1 if isinstance(x, numbers.Number)]