content: import React, { Component } from 'react';
  import Auth from './presenter';
  
  class Container extends Component {
      state = {
          action: 'login'
      };
      render(){
          const { action } = this.state;
          return <Auth action={action} changeAction={this._changeAction} />;
      }
      _changeAction = () => {
          this.setState( prevState => {
              const { action } = prevState;
              if (action === 'login') {
                  return {
                      action: 'signup'
                  }
              } else if(action === 'signup') {
                  return {
                      action: 'login'
                  };
              }
          });
      };
  }
  
  export default Container;