budget_flip.py

#!/usr/bin/env python3

import math
import random

successes = 0
history = []
n = random.randint(1, 256)
k = random.randint(1, n)
B = 0
while B in [0, k]:
    B = random.uniform(0, k)

turn = 0
while turn < n:
    print("Coins: {}".format(n))
    print("Goal: {}".format(k))
    print("Coins flipped: {}".format(turn))
    print("Budget: {}".format(B))
    print("Successes: {}".format(successes))
    print("History: {}".format(history))
    print()
    p = eval(input("Probability for this flip: "))
    flip = random.choices([0, 1], [1-p, p])[0]
    print()
    print("Outcome: {}".format("Success" if flip else "Failure"))
    successes += flip
    history.append((p, flip))
    budget -= p
    turn += 1

print("Coins: {}".format(n))
print("Goal: {}".format(k))
print("Coins flipped: {}".format(turn))
print("Budget: {}".format(B))
print("Successes: {}".format(successes))
print("History: {}".format(history))
print()
print("Overall Outcome: {}".format("success" if successes >= k else "failure"))