str.rfind(sub[, start[, end]]) Return the highest index in the string where substring sub is found, such that sub

class str(object='') class str(object=b'', encoding='utf-8', errors='strict') Return a string version

class memoryview(obj) Create a memoryview that references obj. obj must support the buffer protocol

strides A tuple of integers the length of ndim giving the size in bytes to access each element for each dimension

bytes.lstrip([chars]) bytearray.lstrip([chars]) Return a copy of the sequence with specified leading bytes removed

nbytes nbytes == product(shape) * itemsize == len(m.tobytes()). This is the amount of space in bytes that the array

float.as_integer_ratio() Return a pair of integers whose ratio is exactly equal to the original float and with a positive denominator

sort(*, key=None, reverse=None) This method sorts the list in place, using only < comparisons between items

symmetric_difference(other) set ^ other Return a new set with elements in either the set or other but not

bytearray.isalpha() Return true if all bytes in the sequence are alphabetic ASCII characters and the sequence is not empty,