'''
    Parameters:
    version：integer from 1 to 40 that controls QR-code size.
             use None with fit if you want the library to choose automatically.
    error_correction：controls QR-code error correction.
    ERROR_CORRECT_L：about 7% or fewer errors can be corrected.
    ERROR_CORRECT_M (default): about 15% or fewer errors can be corrected.
    ROR_CORRECT_H：about 30% or fewer errors can be corrected.
    box_size：controls the pixel size of each QR-code cell.
    border：controls the border width in cells; the default 4 is the standard minimum.
    '''