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

issubset(other) set <= other Test whether every element in the set is in other.

int.bit_length() Return the number of bits necessary to represent an integer in binary, excluding the sign and leading zeros:

union(other, ...) set | other | ... Return a new set with elements from the set and all others.

int.to_bytes(length, byteorder, *, signed=False) Return an array of bytes representing an integer.

str.split(sep=None, maxsplit=-1) Return a list of the words in the string, using sep as the delimiter string. If maxsplit

str.istitle() Return true if the string is a titlecased string and there is at least one character, for example uppercase characters

bytes.splitlines(keepends=False) bytearray.splitlines(keepends=False) Return a list of the lines in the binary sequence

bytearray.join(iterable) Return a bytes or bytearray object which is the concatenation of the binary data sequences in the

str.startswith(prefix[, start[, end]]) Return True if string starts with the prefix, otherwise return