code: def run(self, evals, feed_dict=None, breakpoints=None, break_immediately=False):
  		
  		if not isinstance(evals,list):
  			evals=[evals]
  		if feed_dict is None:
  			feed_dict={}
  		if breakpoints is None:
  			breakpoints=[]
  
  		self.state=RUNNING
  		self._original_evals=evals
  		self._original_feed_dict=feed_dict
  		self._exe_order=op_store.compute_exe_order(evals)
  		self._init_evals_bps(evals, breakpoints)
  
  		# convert cache keys to strings
  		for k,v in feed_dict.items():
  			if not isinstance(k,str):
  				k=k.name
  			self._cache[k]=v
  
  		op_store.register_dbsession(self)
  
  		if break_immediately:
  			return self._break()
  		else:
  			return self.c()
docs: starts the debug session