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 vote296 views1 answer
Flask read form data
Python Flask
0 vote240 views2 answers
Where should favicon.ico be placed in flask app
Python Flask
2 votes222 views1 answer
How to redirect in flask to the same page
Python Flask
1 vote244 views2 answers
Run flask in background
Python Flask
0 vote266 views1 answer
Get flask version
Python Flask
0 vote262 views1 answer
Flask session auto logout in 5 mins
Python Flask
0 vote235 views1 answer
Bash: line 1: templates/addtask.html: No such file or directory in flask app
Python Flask
1 vote183 views1 answer
Python flask display variable in html
Python Flask
0 vote248 views1 answer
Save changes flask sqlalchemy
Python Flask
0 vote234 views1 answer
How to install flask module in vscode
Python Flask