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MBPP / 653 / Write a function to group a sequence of key-value pairs into a dictionary of…

Problem

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test list

  • assert grouping_dictionary([('yellow', 1), ('blue', 2), ('yellow', 3), ('blue', 4), ('red', 1)])== ({'yellow': [1, 3], 'blue': [2, 4], 'red': [1]})
  • assert grouping_dictionary([('yellow', 10), ('blue', 20), ('yellow', 30), ('blue', 40), ('red', 10)])== ({'yellow': [10, 30], 'blue': [20, 40], 'red': [10]})
  • assert grouping_dictionary([('yellow', 15), ('blue', 25), ('yellow', 35), ('blue', 45), ('red', 15)])== ({'yellow': [15, 35], 'blue': [25, 45], 'red': [15]})

text

Write a function to group a sequence of key-value pairs into a dictionary of lists using collections module.

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Source and history

upstream_id / Original problem ID
653
task_id
8f265662-752f-579a-a7c4-e46e29c7cd7e
task_key
full--train--653
task_revision_id
1
config / split
full / train

Official source

initial import