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

6 votes239 views1 answer
Button in flask
Python Flask
0 vote255 views1 answer
Flask minimal install
Python Flask
5 votes240 views1 answer
Get request body flask
Python Flask
1 vote229 views1 answer
Procfile flask
Python Flask
1 vote216 views1 answer
Flask render error template
Python Flask
1 vote248 views2 answers
Run flask app windows
Python Flask
1 vote240 views2 answers
Selenium text value is empty in flask returns
Python Flask
0 vote248 views1 answer
Flask send email gmail
Python Flask
0 vote244 views1 answer
Import mongodatetime flask
Python Flask
1 vote238 views1 answer
Flask set cookie
Python Flask