The Love-Letter Mystery, love-lettermystery

The Love-Letter Mystery, love-lettermystery

1 def numOperations (testStr): 2 num = 0 3 n = len (testStr) 4 for I in range (n/2 ): 5 num + = abs (ord (testStr [I])-ord (testStr [n-I-1]) 6 return num 7 8 9 def main (): 10 t = int (raw_input () 11 for _ in range (t): 12 testStr = raw_input (). strip () 13 print numOperations (testStr) 14 15 16 main ()

Link:

Https://www.hackerrank.com/challenges/the-love-letter-mystery

Learning

Use Asckii code to solve the problem

Strip () Remove the end

Error

Pay attention to the subscript of arrays and lists. This is a very error-prone pitfall.