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Python program to design a biased coin flip function
An example of random.choice() in Python: Here, we are going to learn how to design a function that can be used as biased coin flip and the function will return a random value of biased coin flip?
By Anuj Singh Last updated : January 12, 2024
Problem statement
Write a Python program to design a biased coin flip function.
Solution overview
Here, we are going to build a biasedcoin() function using Python. The program is so simple as an introductory program and similar to the function coin() for defining a biased coin flip. The function is going to use an inbuilt library naming random. This random python library helps us to choose a random value of the variable within the range or take some random value from a given set.
Designing a biased coin flip function
To design a biased coin flip function, use the random.choice() method and pass the list value ['H', 'T', 'H'] as the parameter, when the function is called, it will return a random value from the given list.
Consider the below statement:
random.choice(['H','T','H'])
The above function will choose a random value with a probability of:
COIN FLIP = PROBABILITY OF OCCURRENCE
- HEAD = 0.67
- TAIL = 0.34
Each member of the set have equal probability to get fired when random.choice() function is called and if a member is present multiple times in the set, its probability increases as well.
Python program to design a biased coin flip function
import random
# function to return the randon value
# on biased biased coin FLIP
def biasedcoin():
return random.choice(["H", "T", "H"])
# main code i.e. function calling
print("COIN FLIP : ", biasedcoin())
print("COIN FLIP : ", biasedcoin())
print("COIN FLIP : ", biasedcoin())
print("COIN FLIP : ", biasedcoin())
print("COIN FLIP : ", biasedcoin())
Output
The output of the above program is:
RUN 1:
COIN FLIP : H
COIN FLIP : T
COIN FLIP : H
COIN FLIP : H
COIN FLIP : H
RUN 2:
COIN FLIP : T
COIN FLIP : H
COIN FLIP : H
COIN FLIP : T
COIN FLIP : H
To understand the above program, you should have the basic knowledge of the following Python topics:
Python Basic Programs »