def solidity_library_symbol(library_name):
 length = min(len(library_name), 36)
 library_piece = library_name[:length]
 hold_piece = ('_' * (36 - length))
 return '__{library}{hold}__'.format(library=library_piece, hold=hold_piece)

def solidity_library_symbol ( library_name ) : length = min ( len ( library_name ) , 36 ) library_piece = library_name [ : length ] hold_piece = ( '_' * ( 36 - length ) ) return '__{library}{hold}__' . format ( library = library_piece , hold = hold_piece )
return the symbol used in the bytecode to represent the library_name .