1. 列表转换成字典
list1 = ['key1','key2','key3']
list2 = ['value1','value2']

dict1 = zip(list1,list2) # dict(dict1)={'key1':'value1','key2':'value2'}

2.字典转换为列表
dict1 = {'key1':'value1','key2':'value2'}
list1 = list(dict1) #list1 = ['key1','key2']
list1 = list(dict1.values()) #list1 = ['value1','value2']

3.列表转换为元组
list2 = ['value1','value2']
data_tuple = tuple(list2)

4.元组转换为列表
tuple1 = (1,2,3)
list1 = list(tuple1)

5.列表转换为字符串
list1 = ['key1','key2']
','.join(list1) key1,key2

6.字符串转换为列表
str_date ='12345'
list1 = list(str_date) #[1,2,3,4,5]

7.QuerySet转换为列表
list1 = Object.objects.values()
list1 = list(QuerySet)

8.字典转换为元组
dict1 = {'key1':'value1','key2':'value2'}
tuple(dict1) # ('key1'，'key2')

9.QuerySet转换为字典
model_to_dict(QuerySet)
Object.objects.get(id=id).__dict__