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Stringpopulation_in_descending order #263

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Oct 2, 2020
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19 changes: 19 additions & 0 deletions stringPopulation
Original file line number Diff line number Diff line change
@@ -0,0 +1,19 @@
from collections import defaultdict
import string
def extract_popular(textstring):
"""
Input: string
Output: dictionary with counts for each character in a string
"""
d = defaultdict(int)
exclude = set(string.punctuation)
textstring = textstring.lower()
textstring = ''.join(ch for ch in textstring if ch not in exclude)
for c in textstring:
d[c] += 1
counts = [(d[c], c) for c in d]
counts.sort()
counts.reverse()
return counts
print(extract_popular("A man, a plan, a canal: Panama"))
print(extract_popular("Testing, attention please"))