str.lstrip([chars]) Return a copy of the string with leading characters removed. The chars argument is a string specifying

str.encode(encoding="utf-8", errors="strict") Return an encoded version of the string as a bytes object. Default encoding is

bytes.expandtabs(tabsize=8) bytearray.expandtabs(tabsize=8) Return a copy of the sequence where all ASCII tab characters

bytearray.startswith(prefix[, start[, end]]) Return True if the binary data starts with the specified prefix

bytearray.isupper() Return true if there is at least one uppercase alphabetic ASCII character in the sequence and no lowercase

str.isspace() Return true if there are only whitespace characters in the string and there is at least one character, false otherwise

class.mro() This method can be overridden by a metaclass to customize the method resolution order for its instances. It is called

str.zfill(width) Return a copy of the string left filled with ASCII '0' digits to make a string of length width

hex() Return a string object containing two hexadecimal digits for each byte in the buffer.

str.ljust(width[, fillchar]) Return the string left justified in a string of length width. Padding is done using the