human
filter on dictionary values.
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Here is a Python program for a filter on dictionary values

import collections

def filter_dict(dictionary, key):
    """
    Return a new dictionary with the values of the given key.

    :param dictionary: The dictionary.
    :param key: The key.
    :return: The new dictionary.
    """
    return {k: v for k, v in list(dictionary.items()) if k == key}

# Enter the dictionary
myDict = collections.OrderedDict()

# Add some entries
myDict['a'] = 1
myDict['b'] = 2
myDict['c'] = 3

# Calling the function
print((filter_dict(myDict, 'a')))

#Example Output
# {'a': 1}

#Remember to inspect code for bugs.