testsAndMisc/PYTHON/randomize_numbers/random_digits.py
Krzysztof kuhy Rudnicki e3f9e6dc0b fix: correct shebang and executable permissions
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2025-11-30 13:42:16 +01:00

79 lines
2.5 KiB
Python

import random
import re
import sys
def randomize_numbers(numbers, min_percentage=1, max_percentage=20):
randomized_numbers = []
for number in numbers:
percentage = random.uniform(min_percentage, max_percentage) / 100
if random.choice([True, False]):
new_number = number + (number * percentage)
else:
new_number = number - (number * percentage)
randomized_numbers.append(new_number)
return randomized_numbers
def parse_input(input_string):
# Replace commas with dots and remove non-numeric characters except dots, commas, and digits
cleaned_input = re.sub(r"[^\d.,\s]", "", input_string).replace(",", ".")
# Split the cleaned input into individual numbers
number_strings = cleaned_input.split()
# Convert the number strings to floats
numbers = []
decimal_counts = []
for num in number_strings:
try:
float_num = float(num)
if "." in num:
digits_count = len(num.split(".")[-1])
else:
digits_count = 0
numbers.append(float_num)
decimal_counts.append(digits_count)
except ValueError:
continue
return numbers, decimal_counts
if __name__ == "__main__":
if len(sys.argv) < 2:
print(
"Usage: python random_digits.py <number1> <number2> ... [min_percentage max_percentage]"
)
sys.exit(1)
try:
input_string = " ".join(sys.argv[1:])
numbers, decimal_counts = parse_input(input_string)
min_percentage = 1
max_percentage = 20
if len(numbers) == 0:
raise ValueError("No valid numbers provided.")
if len(sys.argv) > len(numbers) + 1:
try:
min_percentage = float(sys.argv[len(numbers) + 1])
except ValueError:
pass
if len(sys.argv) > len(numbers) + 2:
try:
max_percentage = float(sys.argv[len(numbers) + 2])
except ValueError:
pass
randomized_numbers = randomize_numbers(numbers, min_percentage, max_percentage)
formatted_numbers = []
for i, num in enumerate(randomized_numbers):
format_str = f".{decimal_counts[i]}f"
formatted_numbers.append(float(format(num, format_str)))
print("Original numbers:", numbers)
print("Randomized numbers:", formatted_numbers)
except ValueError as e:
print(f"Error: {e}")
print("Please provide valid numbers and percentages.")
sys.exit(1)