Exercise 09-12:
Modify the Exercise 9.11 program to also record the row and column of each occurrence of the word in the file. To do this, use lists with the values of each word, saving the row and column of each occurrence.
Answer:
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# 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 09/exercise-09-12.py.py
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# Column counting is not very precise
import sys
if len(sys.argv) != 2:
print("\nUsage: exercise-09-12.py file1\n\n\n")
sys.exit(1)
name = sys.argv[1]
counter = {}
line_num = 1
column = 1
file = open(name, "r", encoding="utf-8")
for line in file:
line = line.strip().lower()
words = line.split(" ") # With parameter considers repeated spaces
for word in words:
if word == "":
column += 1
continue
if word in counter:
counter[word].append((line_num, column))
else:
counter[word] = [(line_num, column)]
column += len(word) + 1
line_num += 1
column = 1
file.close()
for key in counter:
print(f"{key} = {counter[key]}")