Challenge: Count with Dictionary
Count occurrences with the dictionary.
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Problem statement
In this challenge, write a function count_letters(message)
that counts occurrences of each letter in message
using the defaultdict
type dictionary, and then sorts the items on the basis of values using OrderedDict
.
Input
A string
Output
A dictionary of type OrderedDict
Sample input
'Welcome to Educative'
Sample output
OrderedDict([('d', 1), ('a', 1), ('i', 1), ('l', 1), ('v', 1), ('W', 1), ('m', 1), ('u', 1), ('E', 1), ('c', 2), ('t', 2), (' ', 2), ('o', 2), ('e', 3)])
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