numpy.core.defchararray.less(x1, x2)
numpy.core.defchararray.isdigit(a)
numpy.core.defchararray.center(a, width, fillchar=' ')
numpy.core.defchararray.isnumeric(a)
numpy.core.defchararray.isspace(a)
numpy.core.defchararray.ljust(a, width, fillchar=' ')
numpy.core.defchararray.strip(a, chars=None)
numpy.core.defchararray.zfill(a, width)
numpy.core.defchararray.rsplit(a, sep=None, maxsplit=None)
numpy.core.defchararray.not_equal(x1, x2)
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