import numpy as np np.maximum_sctype("S8") np.maximum_sctype(object) np.issctype(object) np.issctype("S8") np.obj2sctype(list) np.obj2sctype(list, default=None) np.obj2sctype(list, default=np.bytes_) np.issubclass_(np.int32, int) np.issubclass_(np.float64, float) np.issubclass_(np.float64, (int, float)) np.issubsctype("int64", int) np.issubsctype(np.array([1]), np.array([1])) np.issubdtype("S1", np.bytes_) np.issubdtype(np.float64, np.float32) np.sctype2char("S1") np.sctype2char(list) np.cast[int] np.cast["i8"] np.cast[np.int64] np.nbytes[int] np.nbytes["i8"] np.nbytes[np.int64] np.ScalarType np.ScalarType[0] np.ScalarType[3] np.ScalarType[8] np.ScalarType[10] np.typecodes["Character"] np.typecodes["Complex"] np.typecodes["All"]