Number Guessing Game Using Python Streamlit Library
Last Updated :
25 Apr, 2024
The game will pick a number randomly from 1 to 100 and the player needs to guess the exact number guessed by calculating the hint. The player will get 7 chances to guess the number and for every wrong guess game will tell you if the number is more or less or you can take a random hint to guess the number like (2+2=?, 3*3=?) to guess the number. In this article, we will create a number-guessing game using the Python Streamlit Library
Number Guessing Game Using Python Streamlit Library
Below, is the explanation by which we can make a number guessing game using Python Streamlit Library:
Install Necessary Library
First, we need to install the streamlit library, for creating the Number Guessing Game so to install the streamlit library use the below command:
pip install streamlit
Writing Python Code
Below, are the step-by-step implementation of the number-guessing game.
Step 1: Import Libraries and Define Functions
Below, code imports the Streamlit library as 'st' and the random module. It defines a function called 'get_secret_number()' that returns a randomly generated integer between 1 and 100.
Python3
import streamlit as st
import random
def get_secret_number():
return random.randint(1, 100)
Step 2: Generate Secret Number and Initialize Game State
In below code the 'initial_state()' function initializes session variables for the game, setting 'input' to 0, generating the secret number, and initializing attempt count and game over status
Python3
def initial_state(post_init=False):
if not post_init:
st.session_state.input = 0
st.session_state.number = get_secret_number()
st.session_state.attempt = 0
st.session_state.over = False
Step 3: Restarting the Game
In below code 'restart_game()' function resets the game state by calling 'initial_state()' with 'post_init' set to True, then increments the input counter.
Python3
def restart_game():
initial_state(post_init=True)
st.session_state.input += 1
Step 4: Generating a Hint
In below code 'get_hint(number)' function generates a hint for the player based on the secret number provided, utilizing addition, subtraction, or multiplication operations to create a related calculation.
Python3
def get_hint(number):
operation_list = ["+", "-", "*"]
operation = random.choice(operation_list)
if operation == "+":
op1 = random.randint(1, number-1)
op2 = number-op1
return f"{op1}+{op2}=?"
elif operation == "-":
op1 = random.randint(number+1, 100)
op2 = op1-number
return f"{op1}-{op2}=?"
else:
for op1 in range(100, 0, -1):
for op2 in range(1, 101):
if op1*op2 == number:
return f"{op1}*{op2}=?"
Step 5: Main Function
In below code 'main()' function controls the game's flow, displaying the title and interface, managing user input for guessing numbers and hints, and providing feedback on guesses. It terminates the game when the player exhausts attempts or guesses the correct number
Python3
def main():
st.write(
"""
# Guess The Number !!
"""
)
if 'number' not in st.session_state:
initial_state()
st.button('New game', on_click=restart_game)
placeholder, debug, hint_text = st.empty(), st.empty(), st.empty()
guess = placeholder.number_input(
f'Enter your guess from 1 - {100}',
key=st.session_state.input,
min_value=0,
max_value=100,
)
col1, _, _, _, col2 = st.columns(5)
with col1:
hint = st.button('Hint')
with col2:
if not guess:
st.write(f"Attempt Left : 7")
if guess:
st.write(f"Attempt Left : {6-st.session_state.attempt}")
if hint:
hint_response = get_hint(st.session_state.number)
hint_text.info(f'{hint_response}')
if guess:
if st.session_state.attempt < 6:
st.session_state.attempt += 1
if guess < st.session_state.number:
debug.warning(f'{guess} is too low!')
elif guess > st.session_state.number:
debug.warning(f'{guess} is too high!')
else:
debug.success(
f'Yay! you guessed it right ?'
)
st.balloons()
st.session_state.over = True
placeholder.empty()
else:
debug.error(
f'Sorry you Lost! The number was {st.session_state.number}'
)
st.session_state.over = True
placeholder.empty()
hint_text.empty()
if __name__ == '__main__':
main()
Complete Code Implementation
main.py
Python3
import streamlit as st
import random
def get_secret_number():
return random.randint(1, 100)
def initial_state(post_init=False):
if not post_init:
st.session_state.input = 0
st.session_state.number = get_secret_number()
st.session_state.attempt = 0
st.session_state.over = False
def restart_game():
initial_state(post_init=True)
st.session_state.input += 1
def get_hint(number):
operation_list = ["+", "-", "*"]
operation = random.choice(operation_list)
if operation == "+":
op1 = random.randint(1, number-1)
op2 = number-op1
return f"{op1}+{op2}=?"
elif operation == "-":
op1 = random.randint(number+1, 100)
op2 = op1-number
return f"{op1}-{op2}=?"
else:
for op1 in range(100, 0, -1):
for op2 in range(1, 101):
if op1*op2 == number:
return f"{op1}*{op2}=?"
def main():
st.write(
"""
# Guess The Number !!
"""
)
if 'number' not in st.session_state:
initial_state()
st.button('New game', on_click=restart_game)
placeholder, debug, hint_text = st.empty(), st.empty(), st.empty()
guess = placeholder.number_input(
f'Enter your guess from 1 - {100}',
key=st.session_state.input,
min_value=0,
max_value=100,
)
col1, _, _, _, col2 = st.columns(5)
with col1:
hint = st.button('Hint')
with col2:
if not guess:
st.write(f"Attempt Left : 7")
if guess:
st.write(f"Attempt Left : {6-st.session_state.attempt}")
if hint:
hint_response = get_hint(st.session_state.number)
hint_text.info(f'{hint_response}')
if guess:
if st.session_state.attempt < 6:
st.session_state.attempt += 1
if guess < st.session_state.number:
debug.warning(f'{guess} is too low!')
elif guess > st.session_state.number:
debug.warning(f'{guess} is too high!')
else:
debug.success(
f'Yay! you guessed it right ?'
)
st.balloons()
st.session_state.over = True
placeholder.empty()
else:
debug.error(
f'Sorry you Lost! The number was {st.session_state.number}'
)
st.session_state.over = True
placeholder.empty()
hint_text.empty()
if __name__ == '__main__':
main()
# this code is contibuted by shraman jain
Run the Server
To run the server using the below command
streamlit run "script_name.py"
Output:
Video Demonstration
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