dict = {‘age‘: 18, ‘name‘: ‘jin‘, ‘sex‘: ‘male‘, }
# for k,v in dict.items():
# print(k,v)
# v1 = dict[‘name‘]
# print(v1)
# v2 = dict["name1"] #报错
# print(v2)
# print(dict.get("anme2","没有这个键")) #默认返回none，可以自定义返回值
原文：https://www.cnblogs.com/www-qcdwx-com/p/10156552.html