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

Install flask

$ pip install Flask

Source: codementor.io

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

4 votes325 views1 answer
Python path to python executable
Python
87 votes330 views6 answers
How to convert string to datetime
Python
0 vote318 views1 answer
Pandas dataframe read string as date
Python
0 vote343 views2 answers
Django run manage.py from python
Python
4 votes292 views3 answers
How to input n space separated integers in python
Python
-1 vote334 views1 answer
Django email verification
Python Django
12 votes321 views6 answers
Print string and variable python
Python
2 votes311 views2 answers
Check multiple keys in python dict
Python
0 vote330 views3 answers
Add a new button in the index of the page wagtail
Python
0 vote355 views1 answer
ID number zero python
Python