fork(1) download
  1. s = input().split(' ')
  2. for i, bar in enumerate(s):
  3. if i >= len(s) - 2:
  4. break;
  5. if bar[-1] == ',' and (s[i + 2].lower() == 'and' or s[i + 2].lower() == 'or'):
  6. if not s[i + 1][-1] == ',':
  7. s[i+1]+=','
  8. print((' ').join(s))
  9.  
  10.  
Success #stdin #stdout 0.02s 9136KB
stdin
b and c
stdout
b and c