Question

Programming Assignment
Start with the following Python code.

alphabet = "abcdefghijklmnopqrstuvwxyz"

test_dups = ["zzz","dog","bookkeeper","subdermatoglyphic","subdermatoglyphics"]

test_miss = ["zzz","subdermatoglyphic","the quick brown fox jumps over the lazy dog"]

# From Section 11.2 of:

# Downey, A. (2015). Think Python: How to think like a computer scientist. Needham, Massachusetts: Green Tree Press.

def histogram(s):
d = dict()
for c in s:
if c not in d:
d[c] = 1
else:
d[c] += 1
return d

Copy the code above into your program but write all the other code for this assignment yourself. Do not copy any code from another source.

Answer 1

import string
from collections import Counter
def count_letters(sentence):
    return {c: Counter(sentence.lower()).get(c, 0) for c in string.ascii_lowercase}