title: Swap 1 and 0 in the line
body: <p>I have the following line:
  <code>0110101010</code></p>
  <p>It is necessary to convert 1 to 0, and 0 to 1, i.e. to get:
  <code>1001010101</code></p>
  <p>Is there any way to do this with vim?</p>