how to download flask code example
Example 1: flask install
py -m pip install flask
setx PATH "%PATH%;C:\<path\to\python\directory\>\Scripts"
pip install flask
py -m pip install --trusted-host pypi.python.org pip flask
py -m pip install --user flask
py -m venv c:\path\to\new\environment
c:\path\to\new\environment\Scripts\activate.bat
Example 2: install flask
pip install flask
Example 3: install flask
pip install -U Flask
Example 4: how to import flask
from flask import Flask
app = Flask(__name__)
@app.route("/")
def hello():
return "Hello, World!"