cisla(+/-)

import matplotlib.pyplot as plt

with open('cisla.txt', 'r') as file:

   lines = file.readlines()

positive_count = 0

negative_count = 0

zero_count = 0

output_lines = []

for line in lines:

   line = line.strip()

   if line:

       try:

           number = int(line)

           if number > 0:

               output_lines.append(f"{number} kladné")

               positive_count += 1

           elif number < 0:

               output_lines.append(f"{number} záporné")

               negative_count += 1

           else:

               output_lines.append(f"{number} nula")

               zero_count += 1

       except ValueError:

           print(f"Chyba: Riadok '{line}' nie je platné číslo.")

with open('vystup.txt', 'w') as file:

   file.write('\n'.join(output_lines))

categories = ['Kladné', 'Záporné', 'Nuly']

counts = [positive_count, negative_count, zero_count]

plt.bar(categories, counts, color=['green', 'red', 'blue'])

plt.xlabel('Typy čísel')

plt.ylabel('Počet')

plt.title('Výskyt typov čísel')

plt.show()