Код на Python

import random
# Initialize a list to store the previous flips
prev_flips = []
# Flip a coin until three flips in a row are either heads or tails
while True:
# Generate a random number between 0 and 1
flip = random.random()
# Check if the flip is heads or tails
if flip <= 0.5:
print("H", end="")
prev_flips.append("H")
else:
print("T", end="")
prev_flips.append("T")
# Check if the previous flips are either all heads or all tails
if len(prev_flips) >= 3:
if prev_flips[-3:] == ["H", "H", "H"] or prev_flips[-3:] == ["T", "T", "T"]:
break

# If we have flipped more than three times, remove the first flip from the list
if len(prev_flips) > 3:
prev_flips.pop(0)

# Print the number of flips it took to get three in a row
print("\nIt took", len(prev_flips), "flips to get three in a row.")


# Initialize a list to store the number of flips for each simulation
num_flips = []

# Run the simulation 1000 times
for i in range(1000): Initialize a list to store the previous flips
prev_flips = []
flips = 0

# Flip a coin until three flips in a row are either heads or tails
while True:
# Generate a random number between 0 and 1
flip = random.random()

# Check if the flip is heads or tails
if flip <= 0.5:
prev_flips.append("H")
else:
prev_flips.append("T")

flips += 1

# Check if the previous flips are either all heads or all tails
if len(prev_flips) >= 3:
if prev_flips[-3:] == ["H", "H", "H"] or prev_flips[-3:] == ["T", "T", "T"]:
break
# If we have flipped more than three times, remove the first flip from the list
if len(prev_flips) > 3:
prev_flips.pop(0)
# Add the number of flips to the list
num_flips.append(flips)
Print the minimum, maximum, and average number of flips
print("Minimum number of flips:", min(num_flips))
print("Maximum number of flips:", max(num_flips))
print("Average number of flips:", mean(num_flips))