Question

HW2.8. How am I gonna be an optimist about this? By accident, one of your colleagues set the values for a dictionary entry to be its keys. Thankfully, the values were unique and, thus, did not violate the no duplicate rule. Help your colleague out by creating a function that they can use to swap or change a dictionary's keys with its values. That is, for each key-value pair, change the entry to be a value-key pair. Improve the resiliency of the swapping routine by allowing for duplicate values to have their old keys combined together as a list. For example, if we want to change the following dictionary's key-value pairings: {'key0': 2, 'key1': 4, 'key2': 1, 'key3': 2} We would receive the output of: {'1': ['key2'], '2': ['key0', 'key3'], '4': ['key1']} Note: Please leave the values of the dictionary as-is. That is, please do not coerce the values of the dictionary to strings! Your code snippet should define the following: Name Type swap_dictionary_key_value_pairs Python Function Description user_code.py 1 Function that swaps the key-value pair of the dictionary

          HW2.8. How am I gonna be an optimist about this?
By accident, one of your colleagues set the values for a dictionary entry to be its keys. Thankfully, the values
were unique and, thus, did not violate the no duplicate rule. Help your colleague out by creating a function
that they can use to swap or change a dictionary's keys with its values. That is, for each key-value pair, change
the entry to be a value-key pair. Improve the resiliency of the swapping routine by allowing for duplicate
values to have their old keys combined together as a list.
For example, if we want to change the following dictionary's key-value pairings:
{'key0': 2, 'key1': 4, 'key2': 1, 'key3': 2}
We would receive the output of:
{'1': ['key2'], '2': ['key0', 'key3'], '4': ['key1']}
Note: Please leave the values of the dictionary as-is. That is, please do not coerce the values of the dictionary
to strings!
Your code snippet should define the following:
Name	Type	swap_dictionary_key_value_pairs	Python	Function	Description
user_code.py
1		Function that swaps the key-value pair of the
dictionary

HW2.8. How am I gonna be an optimist about this?
By accident, one of your colleagues set the values for a dictionary entry to be its keys. Thankfully, the values
were unique and, thus, did not violate the no duplicate rule. Help your colleague out by creating a function
that they can use to swap or change a dictionary's keys with its values. That is, for each key-value pair, change
the entry to be a value-key pair. Improve the resiliency of the swapping routine by allowing for duplicate
values to have their old keys combined together as a list.
For example, if we want to change the following dictionary's key-value pairings:
'key0': 2, 'key1': 4, 'key2': 1, 'key3': 2
We would receive the output of:
'1': ['key2'], '2': ['key0', 'key3'], '4': ['key1']
Note: Please leave the values of the dictionary as-is. That is, please do not coerce the values of the dictionary
to strings!
Your code snippet should define the following:
Name Type swapdictionarykeyvaluepairs Python Function Description
usercode.py
1 Function that swaps the key-value pair of the
dictionary

Added by Paul P.

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