[ 수학 프로그래밍 ] 3n+1 problem

 

def solution(i, j):
  for n in range(i, j+1):
    print (n, " : ", end="")
    while n != 1:
      if n % 2 == 0:
          n = n/2
          print(int(n),",", end=" ")
      else:
          n = (3 * n) + 1
          print(int(n),",", end=" ")
    print()

solution(10,19)