Project

Guessing Num by Python

For this tutorial, we will create a simple guessing game where the computer generates a random number between 1 and 20, and the user has to guess the number within a certain number of tries.

Photo by Mick Haupt on Unsplash

Step 1: Import the necessary modules

The first thing we need to do is import the random module to generate a random number. We also need to import the sys module to be able to exit the game if the user wants to quit.

import random
import sys

Step 2: Generate a random number

Next, we need to generate a random number using the randint() function from the random module. We will store this number in a variable called number_to_guess.

number_to_guess = random.randint(1, 20)

Step 3: Set the maximum number of tries

We will give the user a maximum of 5 tries to guess the correct number. We will store this number in a variable called max_tries.

max_tries = 5

Step 4: Start the game loop

Now we will start the game loop that will continue until the user either guesses the correct number or runs out of tries. We will use a while loop for this.

while max_tries > 0:

Step 5: Get the user’s guess

Inside the game loop, we need to ask the user to input their guess. We will use the input() function to do this.

guess = input("Guess a number between 1 and 20: ")

Step 6: Convert the user’s guess to an integer

The input() function returns a string, so we need to convert the user's guess to an integer using the int() function.

guess = int(guess)

Step 7: Check if the user’s guess is correct

We will now compare the user’s guess to the number that the computer generated. If the guess is correct, we will print a message telling the user that they won and break out of the game loop. If the guess is incorrect, we will decrement the max_tries variable and print a message telling the user how many tries they have left.

if guess == number_to_guess:
        print("Congratulations, you won!")
        break
    else:
        max_tries -= 1
        print("Sorry, that's not the right number. You have", max_tries, "tries left.")

Step 8: End the game if the user runs out of tries

If the user runs out of tries, we will print a message telling them that they lost and exit the game using the sys.exit() function.

if max_tries == 0:
    print("Sorry, you ran out of tries. The number was", number_to_guess)
    sys.exit()

Step 9: Run the game

Finally, we will run the game by putting all the code together.

import random
import sys

number_to_guess = random.randint(1, 20)
max_tries = 5
while max_tries > 0:
    guess = input("Guess a number between 1 and 20: ")
    guess = int(guess)
    if guess == number_to_guess:
        print("Congratulations, you won!")
        break
    else:
        max_tries -= 1
        print("Sorry, that's not the right number. You have", max_tries, "tries left.")

if max_tries == 0:
    print("Sorry, you ran out of tries. The number was", number_to_guess)
    sys.exit()

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