infe

A professional, comprehensive Python math and string utility library for interviews, competitive programming, and educational purposes.

Features

🔢 Basic Operations

• is_even, is_odd, is_positive, is_negative
• swap, largest_of_three, sum_first_n
• factorial, power, multiplication_table
• sum_even_range, sum_odd_range

🔢 Digit-Based Programs

• count_digits, reverse_number, sum_digits, product_digits
• is_palindrome_number, is_disarium, is_neon, is_spy
• is_duck, is_harshad, max_digit, min_digit
• count_eo_digits (Even/Odd count), sum_even_digits, sum_odd_digits

🔢 Primes & Factors

• is_prime, primes_in_range, sum_primes, prime_factors
• gcd, lcm, are_coprime, is_composite

🔢 Special Numbers

• is_armstrong, is_perfect, is_abundant, fibonacci_series
• is_strong (formerly Krishnamurthy), is_happy, is_magic
• is_perfect_square, is_perfect_cube, is_triangular

🔤 String Utilities

• count_vc (Vowels/Consonants), no_spaces, char_freq
• dup_chars, is_anagram, first_non_rep, first_rep

📋 List/Array Utilities

• max_list, second_max, unique (Remove duplicates)
• rotate_left, rotate_right

---

Installation

pip install infe

Usage

import infe

# Check for a Strong (Krishnamurthy) number
print(infe.is_strong(145))  # True

# String operations
v, c = infe.count_vc("Hello World")
print(f"Vowels: {v}, Consonants: {c}")

# List operations
my_list = [10, 20, 30, 20, 10]
print(infe.unique(my_list))  # [10, 20, 30]

Running Tests

pip install pytest
pytest

License

This project is licensed under the MIT License - see the LICENSE file for details.