Output the missing integer You will be given a string. It will contain 9 unique integers from 0-9. You must return the missing integer. The string will look like this:

123456789
 &gt; 0

134567890
 &gt; 2

867953120
 &gt; 4
Python 2, 18 16 bytes

+beauty thanks to @Sarge Borsch


`99066**2`.strip


Try it online!

99066**2 is just a shorter way to generate a string that contains 0~9