FlaskDemo1.txt


create API using Flask :

```
from flask import  Flask,render_template

app = Flask(__name__)

@app.route('/index')
def index1():
    print('I am in index')
    return('index 1')

@app.route('/flaskdemo1')
def index2():
    return render_template('flaskdemo1.html')

@app.route('/about')
def about():
    return render_template('abouthtml.html')

if __name__ == '__main__':
    app.run(host='0.0.0.0', port=1380)
```

In the template folder place flaskdemo1.html

```
<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>my flask demo</title>
</head>
<body>
    <h1>this is a demo</h1>
</body>
</html>
```

and another file abouthtml.html

```
<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>this is about</title>
    <link rel="stylesheet" href="{{ url_for('static',filename='css/styles.css') }}">

</head>
<body>
    <p id="pp">I am working on flask and is about page</p>
    <a href="{{ url_for('index1') }}">tst</a>
</body>
</html>
```