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

1 vote142 views1 answer
Prevent list index out of range python
Python
124 votes144 views6 answers
Python read json file
Python
0 vote127 views1 answer
Split custom pytorch dataset
Python
81 votes137 views6 answers
Python string to datetime
Python
2 votes85 views1 answer
How to compare letters in python
Python
1 vote156 views1 answer
How to send json in django response
Python Django
0 vote80 views1 answer
Node alpine install python
Python
0 vote122 views1 answer
Abstarct class python
Python
0 vote122 views2 answers
Converting pandas._libs.tslibs.timedeltas.Timedelta to days
Python
0 vote125 views1 answer
Tkinter file dialog multiple file types
Python