A second SizedBox widget with a height of 16.

A second empty Row where you’ll add
four icons (Part 3).

The Column’s list of widgets should be formatted as follows,
  so the contact information and icons are displayed below the
  name and title:

],

),

// <--- Closing parenthesis for the Row

SizedBox

(),

Row

(),

// First empty Row

SizedBox

(),

Row

(),

// Second empty Row

],

);

// <--- Closing parenthesis for the Column that wraps the Row

Exercise: Enter contact information

Enter two Text widgets inside the first empty Row :