使用python解析字典
时间: 2023-09-16 09:14:10 浏览: 46
要使用 Python 解析字典,可以使用以下方法:
1. 使用键访问字典的值:
```python
my_dict = {"name": "John", "age": 30, "city": "New York"}
name = my_dict["name"]
age = my_dict["age"]
city = my_dict["city"]
print(name, age, city) # 输出:John 30 New York
```
2. 使用 get() 方法获取字典的值:
```python
my_dict = {"name": "John", "age": 30, "city": "New York"}
name = my_dict.get("name")
age = my_dict.get("age")
city = my_dict.get("city")
print(name, age, city) # 输出:John 30 New York
```
3. 使用 items() 方法遍历字典的键值对:
```python
my_dict = {"name": "John", "age": 30, "city": "New York"}
for key, value in my_dict.items():
print(key, value) # 输出:name John age 30 city New York
```
4. 使用 keys() 或 values() 方法分别遍历字典的键或值:
```python
my_dict = {"name": "John", "age": 30, "city": "New York"}
for key in my_dict.keys():
print(key) # 输出:name age city
for value in my_dict.values():
print(value) # 输出:John 30 New York
```
这些是解析字典的常用方法,可以根据实际需要选择适合的方法来访问字典的值。