day1/exercise/collatz.py
changeset 69 9fbd2a71fef2
parent 64 333092b68926
child 354 5dc6c3673f9d
equal deleted inserted replaced
68:0471f8694075 69:9fbd2a71fef2
       
     1 a = -1
       
     2 while a > 1:
       
     3     print a
       
     4     if a % 2:
       
     5         a = a * 3 + 1
       
     6     else:
       
     7         a /= 2