Exploration of fibonacci sequence as a source of random numbers

fib_random.py

#!/usr/bin/env python3

import sys
import time

class bcolors:
    HEADER = '\033[95m'
    OKBLUE = '\033[94m'
    OKCYAN = '\033[96m'
    OKGREEN = '\033[92m'
    WARNING = '\033[93m'
    FAIL = '\033[91m'
    ENDC = '\033[0m'
    BOLD = '\033[1m'
    UNDERLINE = '\033[4m'

def iterate_on_globals():
    global iteration, current_number, previous_number
    swapped_number = current_number
    current_number += previous_number
    previous_number = swapped_number
    iteration += 1

def skip_iterations():
    skip_iterations = 0
    #skip_iterations = 10 * current_number
    print(f"skipping past position {skip_iterations}")
    for iteration in range(skip_iterations):
        iterate_on_globals()

def print_statistics(table):
    print(f"{bcolors.OKCYAN}{table}{bcolors.ENDC}")
    table_total = 0
    for number, count in table.items():
        table_total += count

    if table_total < 1: return

    print(bcolors.OKGREEN, end='')
    print(bcolors.UNDERLINE, end='')
    for number, count in table.items():
        percent = int(float(count) / float(table_total) * 100.)
        print(number * percent, end='', sep=' ')
    print(bcolors.ENDC)

def grow():
    global iteration, current_number, previous_number
    table = {'0': 0, '1': 0, '2': 0, '3': 0, '4': 0, '5': 0, '6': 0, '7': 0, '8': 0, '9': 0}
    while True:
        fake_random_digit = str(current_number % 10)
        #fake_random_digit = str(current_number)[-2]
        table[fake_random_digit] += 1
        print(f"{bcolors.WARNING}iteration: {iteration: <5.3g}   previous: {previous_number: <15.10g}   current: {current_number: <15.10g}   fake random digit: {fake_random_digit}{bcolors.ENDC}")

        print_statistics(table)

        iterate_on_globals()

        time.sleep(0.1)

if __name__ == "__main__":
    if (len(sys.argv) < 2):
        print(f"usage: {sys.argv[0]} <starting integer>")
        sys.exit(1)

    seed = sys.argv[1]
    print(f"seed is {seed}; press ctrl-c to stop")

    previous_number = 1
    current_number = int(seed)
    iteration = 1

    skip_iterations()
    grow()