Flask setup

Flask install

# install flask (basic, if path is not set yet)
py -m pip install flask
# or set PATH to use pip:
setx PATH "%PATH%;C:\<path\to\python\directory\>\Scripts"
pip install flask
# if "connection error: [SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed" [!]:
py -m pip install --trusted-host pypi.python.org pip flask
# if PermissionError: [WinError 5] Access is denied
py -m pip install --user flask
# or via creating a virtual environment venv:
py -m venv c:\path\to\new\environment
# then execute:
c:\path\to\new\environment\Scripts\activate.bat

Install flask

pip install -U Flask

Source: pypi.org

Install flask

pip install flask

Source: stackoverflow.com

Install flask

$ pip install Flask

Source: codementor.io

Install Flask

pip install flask
Or If The Problem is "pip" not Found Use : 
py -m pip install flask

Flask setup

from flask import Flask
app = Flask(__name__)

@app.route("/")
def hello():
  return "Hello World!"

if __name__ == "__main__":
  app.run()

Source: twilio.com

Similar codes

0 vote439 views1 answer
Shutdown flask server with request
Python Flask
0 vote397 views2 answers
Install socketio flask
Python Flask
1 vote414 views1 answer
How to create routes in flask
Python Flask
1 vote402 views1 answer
Flask api response code
Python Flask
0 vote405 views1 answer
Flask migrate multiple heads
Python Flask
0 vote451 views1 answer
Flask No application found. Either work inside a view function or push an application context
Python Flask
2 votes454 views1 answer
Run flask application in development mode stack overflow
Python Flask
4 votes417 views1 answer
Render audio content without page view in flask
Python Flask
0 vote414 views2 answers
Flask rest api upload image
Python Flask
0 vote427 views2 answers
Error: Could not locate a Flask application. You did not provide the "FLASK_APP" environment variable, and a "wsgi.py" or "app.py" module was not found in the current directory.
Python Flask