python自学计划-字典-10

字典类似java中的map
例子：

dict = {'key1': 23, 'key2': 'value2'}

print(dict['key1'])

# 修改字典内容
dict['key2'] = 58
print(dict)

# 清空字典
dict.clear()
print(dict)

运行结果：

23
{'key1': 23, 'key2': 58}
{}