str.isalnum() Return true if all characters in the string are alphanumeric and there is at least one character, false otherwise

bytes.index(sub[, start[, end]]) bytearray.index(sub[, start[, end]]) Like find(), but raise

bytearray.rpartition(sep) Split the sequence at the last occurrence of sep, and return a 3-tuple containing the part

str.find(sub[, start[, end]]) Return the lowest index in the string where substring sub is found within the slice

bytes.capitalize() bytearray.capitalize() Return a copy of the sequence with each byte interpreted as an ASCII character

tolist() Return the data in the buffer as a list of elements.

str.rindex(sub[, start[, end]]) Like rfind() but raises

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

cast(format[, shape]) Cast a memoryview to a new format or shape. shape defaults to [byte_length//new_itemsize]

bytes.isalpha() bytearray.isalpha() Return true if all bytes in the sequence are alphabetic ASCII characters and