<｜begin▁of▁sentence｜>### Instruction:
Given a MultiDict object that contains multiple values associated with the same key, can you retrieve an arbitrary value associated with a specified key using the get method, and provide a default value if the key does not exist?
### Response:
from multidict import MultiDict

# Create a MultiDict object
md = MultiDict([('key1', 'value1'), ('key2', 'value2'), ('key1', 'value3')])

# Use the get method to get an arbitrary item associated with 'key1'
item = md.get('key1', 'default_value')

# Print the retrieved item
print(item)
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