Design a program using Python and using from flask Import flask that generates a lottery number...

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Question

Design a program using Python and using from flask Import flask that generates a lottery number...

Design a program using Python and using from flask Import flask that generates a lottery number but in a website.. The program should have an Integer array with 9 elements. Write a loop that steps through the array, randomly generating a number in the range of 0 through 42 for each element. (Use the random function) Then write another loop that displays the contents of the array.

Each number should be displayed as a list, the numbers should be generated when a button is clicked and then the list should be shown on the page

Please try not to change the original lottery code that can be used to create web program with Flask. Please provide the basic html as well. Screenshots of output. Indentation please. There should be a button where a user presses submit to generate the lottery numbers on the same web page.

Basic Html code is also there to use with program code.


import random
lottery_numbers=[0]*9 # create an array with 9 elements

# iterate over each element in the array
for i in range(len(lottery_numbers)):
    lottery_numbers[i] = random.randint(0,42)

# loop to display the content of the array
for num in enumerate(lottery_numbers,start=1):
    print('Lottery #{}: {}'.format(num[0],num[1]))

--------------------------------------------------------------------------------------------------------------

<!DOCTYPE html>
<head>
   <title></title>
</head>
<body>
   <h1></h1>
   <form action="#" method="POST">
       <input type="text" name="newTask" />
       <button type="submit">Add</button>
   </form>
   <ul>
       {% for task in task %}
       <li>{{task}}</li>
       {% endfor %}
   </ul>
</body>
</html>

engineering Computer-Science

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Answer 1

Answer #1

Find the code for the above question below, read the comments provided in the code for better understanding. If found helpful please do upvote this.

For this you need the correct folder structure. Read the steps carefully.

Create a new folder for your program
place the python code in inside that folder.
Create one for folder , place the inde.html code inside this folder.

The folder structure wil be somthing like this.

flask app templates index.html te app.py

inside templates folder will be index.html.

app.py code

import flask#import flask import random#import random #create a flask app app = flask.Flask(__name__) #this will be called when user presses teh submit button #the method is post as mentioned in html file @app.route('/submit', methods=[ 'POST']) def generate(): lottery_numbers = [0] * 9 # create an array with 9 elements # iterate over each element in the array for i in range(len(lottery_numbers)): lottery_numbers[i] = random.randint(0, 42) # loop to display the content of the array for num in enumerate(lottery_numbers, start=1): print('Lottery #{}: {}'.format(num[0], num[1])) #render teh html file , this time pass the lottery numbers return flask.render_template('index.html',task=lottery_numbers) #this will be called when we visit the index page @app.route('/') def index(): #render teh html file return flask.render_template('index.html') #run the flask app app.run()

Screenshot of app.py

import flask#import flask import random#import random 2 4 #create a flask app app = flask. Flask (__name__) 8 9 #this will be

index.html code

<!DOCTYPE html> <head> <title></title> </head> <body> <h1></h1> <!-- call the submit route described in app.py--> <form action="submit" method="POST"> <input type="text" name="newTask" /> <button type="submit">Add</button> </form> <!-- display the random numbers passes--> <ul> {% for task in task %} <li>{{task}}</li> {% endfor %} </ul> </body> </html>

<!DOCTYPE html> <head> <title></title> </head> <body> <h1></h1>  <form actio

Output

Run the app.py , something like below will show up ,

* Serving Flask app app (lazy loading) * Environment: production WARNING: This is a development server. Do not use it in a

open the link in any browser

Add

, press the button

Add

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Design a program using Python and using from flask Import flask that generates a lottery number...

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