Answers for "react' must be in scope when using jsx react/react-in-jsx-scope\"

'React' must be in scope when using JSX react/react-in-jsx-scope

// This line should be there as shows
import React, { Component }  from 'react';

React’ must be in scope when using JSX react/react-in-jsx-scope

//React js throws This error, when either we forget to include React in our script
or make a spelling mistake.
//Wrong way
import react from 'react'
//Correct way
import React from 'react'