pip command is not working in vs code. i have checked everything

Question

pip : The term 'pip' is not recognized as the name of a cmdlet, function, script file, or operable program. Check the spelling of the name, or if a path was included, verify that the path is correct and try again. At line:1 char:1

• pip install flask

•   + CategoryInfo          : ObjectNotFound: (pip:String) [], CommandNotFoundException
    + FullyQualifiedErrorId : CommandNotFoundException
  
  
  
  
  

i have done everythng installed python checked also also checkd for pip i dont know why pip is not installing package