just another brick in the wall

from pandas import Series, NA
print(''.join(Series([109, 111, NA, 99, 46, 108,
      105, 97, 109, 103, 64, 103, 115, 111, 105,
      114, 101, 112, 105, 108, 101, 102]
      ).dropna().astype(int)[::-1].map(chr)))

or ...

cat(intToUtf8(rev(c(109,111,99,46,108,
    105,97,109,103,64,103,115,111,105,
    114,101,112,105,108,101,102))))