dist.py

from typing import Dict, Union


def balance_distribution(dist: Dict[int, Union[int, float]]) -> float:
    sum_known: float = sum(filter(lambda v : v != None, dist.values()))
    unknown_spaces: int = len(list(filter(lambda v : v == None, dist.values())))

    # Average "unknown distribution" to place among all unfilled spots
    unknown_replace_avg: float = (1.0 - sum_known) / unknown_spaces
    for key, value in dist.items():
        if value == None:
            dist[key] = unknown_replace_avg

    return dist


patrons = 12032
distribution = {1: None, 5: 0.1, 10: 0.05}
distribution = balance_distribution(distribution)

# Calculate subtotal for each subscription tier prior
subtotals = []
for subscription, base in distribution.items():
    subtotal = patrons * subscription * base
    subtotals.append(subtotal)
total = sum(subtotals)

# Print it out, with total in mind for percentages
for population, subscription, subtotal in zip(distribution.values(), distribution.keys(), subtotals):
    percent = (subtotal / total) * 100
    print(f"${subscription} Tier: ${subtotal:,.2f} ({population * 100:.1f}% for {percent:.2f}%)")

print(f"Total: ${total:,.2f}")