70 按条件分组¶
def bif_by(lst, f):
return [ [x for x in lst if f(x)],[x for x in lst if not f(x)]]
records = [25,89,31,34]
bif_by(records, lambda x: x<80) # [[25, 31, 34], [89]]
def bif_by(lst, f):
return [ [x for x in lst if f(x)],[x for x in lst if not f(x)]]
records = [25,89,31,34]
bif_by(records, lambda x: x<80) # [[25, 31, 34], [89]]