<｜begin▁of▁sentence｜>### Instruction:
As a multimedia artist, you've been tasked with managing a portfolio of multimedia content in a MultiDict object, which may contain duplicate keys. Your task is to remove all items associated with a specific key from the MultiDict. Can you provide more details about the specific API or method you're using to interact with the MultiDict object?
### Response:
from multidict import MultiDict

# Create a MultiDict object with duplicate keys
d = MultiDict([('key1', 'value1'), ('key2', 'value2'), ('key1', 'value3')])

# Now, let's delete all items associated with 'key1'
del d['key1']

# Print the updated MultiDict
print(d)
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