import time

def string_splosion1(str):
    newString = ''
    for i in range(len(str)):
        x = len(str) - i
        negNum = x * -1
        newString = newString + str[:negNum]
    newString += str
    return newString



def string_splosion2(str):
  result = ""
  for i in range(len(str)):
    result = result + str[:i+1]
  return result


n = 10000
t0 = time.time()
for i in range(n): string_splosion1('Code')
t1 = time.time()

t2 = time.time()
for x in range(n): string_splosion2('Code')
t3 = time.time()

total_n = t1-t0
total_z = t3-t2
print(total_n)
print(total_z)