python 字典,元组,对象,数组取值方法

def create(self,cr,uid,vals,context=None):
if context is None:
        context ={}
if vals.get('name','/')=='/':
        vals['name']=self.pool.get('ir.sequence').get(cr,uid,'sale.origin') or '/'
    ctx=dict(context or {},mail_create_nolog=True)
#如果存在这个字段 则不处理 反之 删除本元素
    flagline=vals
print 22222222222
    # print vals
    print vals.get('line_id')
    linenum=len(vals.get('line_id'))
    new_line_choice'  in vals.get('line_id')[i][2] and vals.get('line_id')[i][2]['choice'] is True:
# if 'choice'  is True :
           new_line_id.append(vals.get('line_id')[i])
print 11111111111111111
    print new_line_id
    vals['line_id']=new_line_id
print vals.get('line_id')
    new_id=super(sale_origin,self).create(cr,uid,vals,context=ctx)