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9 changes: 9 additions & 0 deletions strings/frequency_finder.py
Original file line number Diff line number Diff line change
Expand Up @@ -49,6 +49,15 @@ def get_item_at_index_zero(x: tuple) -> str:


def get_frequency_order(message: str) -> str:
"""
Get the frequency order of the letters in the given string
>>> get_frequency_order('Hello World')
'LOWDRHEZQXJKVBPYGFMUCSNIAT'
>>> get_frequency_order('Hello@')
'LHOEZQXJKVBPYGFWMUCDRSNIAT'
>>> get_frequency_order('h')
'HZQXJKVBPYGFWMUCLDRSNIOATE'
"""
letter_to_freq = get_letter_count(message)
freq_to_letter: dict[int, list[str]] = {
freq: [] for letter, freq in letter_to_freq.items()
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