Pycom WiPy 3.0 Manual page 375

5.3.12 usocket
socket.readinto(buf[, nbytes])
Read bytes into the . If is specified then read at most that many bytes.
buf nbytes
Otherwise, read at most bytes.
len(buf)
Return value: number of bytes read and stored into .
buf
socket.readline()
Read a line, ending in a newline character.
Return value: the line read.
socket.write(buf)
Write the buffer of bytes to the socket.
Return value: number of bytes written.
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