Exercise 07-04:
Write a program that reads a string and prints how many times each character appears in that string.
String: TTAAC
Result:
T: 2x
A: 2x
C: 1x
Answer:
##############################################################################
# Python From Scratch
# Author: Nilo Ney Coutinho Menezes
# Editora Novatec (c) 2010-2025 - LogiKraft 2025
# Site: https://pythonfromscratch.com
# ISBN: 978-85-7522-949-1 (Paperback), 978-85-7522-950-7 (hardcover), 978-85-7522-951-4 (ebook)
#
# File: chapter 07/exercise-07-04.py.py
##############################################################################
sequence = input("Enter the string: ")
counter = {}
for letter in sequence:
counter[letter] = counter.get(letter, 0) + 1
for key, value in counter.items():
print(f"{key}: {value}x")