The bubble up procedure by python

 

  

   
   array 
   =
    [
   1
   ,
   6
   ,
   7
   ,
   2
   ,
   9
   ,
   4
   ]

   for
    i 
   in
    range(len(array)
   -
   1
   ,
   1
   ,
   -
   1
   ):
 
   for
    j 
   in
    range(0,i):
 
   if
    array[j] 
   >
    array[j
   +
   1
   ]:
 array[j],array[j
   +
   1
   ] 
   =
    array[j
   +
   1
   ],array[j]

   print
    array
  

Wow, Python is so powerful, Let start to enjoy it now!