def caesarCipher(s, k):
        alphabet="abcdefghijklmnopqrstuvwxyz"
        new=alphabet
        if k<=25:
           new=alphabet[k:]+alphabet[0:k]
        else:
           for i in range(k):
                new=new[1:]+new[0:1]
        string=""
        for i in s:
            if ord(i)>96 and ord(i)<123:
               for j in range(len(alphabet)):
                   if i==alphabet[j]:
                      string+=new[j]
                
            else:
               if ord(i)>64 and ord(i)<91:
                  for j in range(len(alphabet)):
                      if i.lower()==alphabet[j]:
                          string+=new[j].upper()
               else:
                  string+=i
        return string