code: def eq(self, y):
      """Returns self == y"""
      return 1 - self.ne(y)
  
file_path: FATE/python/fate/arch/protocol/mpc/functions/logic.py
imports: from fate.arch.protocol import mpc
  from ..common.tensor_types import is_tensor
label_desc: Use image node_id 5 for calling a global function with example usage: eq(y) and returns: unknown