1.eval

2.json

# NameError: name
# 'null' is not defined
# i_dict=eval(i)
这种方式,如果dict字符串中有null ,将不能变成dict i_dict = json.loads(i) #将str类型转化为dict policy = json.loads(p) #将dict类型转化为str p = json.dumps(policy)
05-28 23:27