Returns the contents of a file as a string. Starts reading from current position in file. Args: n: Read 'n' bytes if n != -1. If n = -1, reads to end of file. Returns: 'n' bytes of the file (or whole file) in bytes mode or 'n' bytes of the string if in string (regula
(self, n=-1)
source not stored for this graph (policy: none)