<｜begin▁of▁sentence｜>### Instruction:
Given a MultiDict containing pairs like [('key1', 'value1'), ('key2', 'value2'), ('key2', 'another_value2')], how would you use the clear method to remove all items from the MultiDict?
### Response:
from multidict import MultiDict

# Create a MultiDict object
md = MultiDict([('key1', 'value1'), ('key2', 'value2'), ('key2', 'another_value2')])

# Before clearing the multidict
print('Before clear:', md)

# Clearing all items from the MultiDict
md.clear()

# After clearing the multidict
print('After clear:', md)
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