Python-基础知识-01-字典及列表与字符串转换

import json

# 字典与字符串
dict_data = dict()
dict_data["ky1"] = "val1"
dict_data["ky2"] = "val2"
dict_data["ky3"] = "val3"
dict_data["ky4"] = "val4"
print("dict_data=", dict_data)
print("type(dict_data)=", type(dict_data))

print("\n")
str_data = json.dumps(dict_data)
print("str_data=", str_data)
print("type(str_data)=", type(str_data))


print("\n")
dict_data_2 = json.loads(str_data)
print("dict_data2=", dict_data_2)
print("type(dict_data2)=", type(dict_data_2))

import json  
  
# 字典与字符串  
list_data = [1, 2, 3, 4]  
print("list_data=", list_data)  
print("type(list_data)=", type(list_data))  
  
print("\n")  
str_data = json.dumps(list_data)  
print("str_data=", str_data)  
print("type(str_data)=", type(str_data))  
  
  
print("\n")  
list_data_2 = json.loads(str_data)  
print("list_data_2=", list_data_2)  
print("type(list_data_2)=", type(list_data_2))