/// If x is not a number or if base is given, then x must be a string,
/// bytes, or bytearray instance representing an integer literal in the
/// given base.  The literal can be preceded by '+' or '-' and be surrounded
/// by whitespace.  The base defaults to 10.  Valid bases are 0 and 2-36.
/// Base 0 means to interpret the base from the string as an integer literal.

>>> int('0b100', base=0)