Run this code and explain the data structure we used.
Tools:
Python and Flask
How to run Python Flask (thirdygayares.com)
Github
Medium.com or Hashnode.com
Project Structure
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Title</title>
</head>
<body>
<h1>Add Student</h1>
<form method="POST" action="/add">
<input type="text" name="name" placeholder="Input Student" required >
<button type="submit">Add</button>
</form>
<br>
<br>
<table>
<thead>
<tr>
<th>index</th>
<th>Name</th>
<th>Action</th>
</tr>
</thead>
<tbody>
{% for index, student in students %}
<tr>
<td>{{index}}</td>
<td>{{student}}</td>
<td >
<form method="POST" action="/edit_student/{{ index }}">
<input type="text" name="new_name" value="{{student}}" required/>
<button type="submit">Submit</button>
<a href="/delete/{{student}}" >Delete With Student Name</a>
<a href="/delete-with-index/{{index}}">Delete With Index</a>
<a href="/select/{{student}}">Select Student</a>
</form>
</td>
</tr>
{% endfor %}
</tbody>
</table>
</body>
</html>
Import Flask Library
from flask import Flask, render_template, request, redirect, url_for;
app = Flask(__name__)
Student_name (List Data Structure)
student_name = ["Spongebob", "Jimmy Neutron", "Alice"]
Fetch Student List Function
@app.route('/')
def fetch_student_list():
student_with_index = list(enumerate(student_name))
return render_template('index.html', students = student_with_index)
Add Student Function
@app.route('/add', methods=['POST'])
def add_student():
name = request.form.get('name')
if name:
student_name.append(name)
return redirect(url_for('fetch_student_list'))
Delete Student with name Function
@app.route('/delete/<string:name>')
def delete_student(name):
student_name.remove(name)
return redirect(url_for('fetch_student_list'))
Delete Student with index function
@app.route('/delete-with-index/<int:index>')
def delete_student_with_index(index):
student_name.pop(index)
return redirect(url_for('fetch_student_list'))
Select Student
@app.route('/select/<string:name>')
def selected_student(name):
print("selected " , name);
return redirect(url_for('fetch_student_list'))
Edit STudent
@app.route('/edit_student/<int:index>', methods=['POST'])
def edit_student(index):
new_name = request.form.get("new_name")
student_name[index] = new_name
return redirect(url_for('fetch_student_list'))
run
if __name__ == '__main__':
app.run(debug=True)
python app.py
OUTPUT:
