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day1/exercise/collatz.py
author Prabhu Ramachandran <prabhu@aero.iitb.ac.in>
Sat, 19 Jun 2010 01:27:20 -0400
branchscipy2010
changeset 409 4442da6bf693
parent 386 a0bec380b44f
child 425 5afcfce15e71
permissions -rw-r--r--
ENH: Minor cleanup. Also added slide to introduce IPython's %timeit and %time.
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
354
5dc6c3673f9d Changes made during REC Chennai workshop.
Puneeth Chaganti <punchagan@fossee.in>
parents: 64
diff changeset 
     1
 
a = int( raw_input( 'Enter number: ') )
5dc6c3673f9d Changes made during REC Chennai workshop.
Puneeth Chaganti <punchagan@fossee.in>
parents: 64
diff changeset 
     2
 
while a != 4:
386
a0bec380b44f Major edits.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents: 354
diff changeset 
     3
 
    print a,
354
5dc6c3673f9d Changes made during REC Chennai workshop.
Puneeth Chaganti <punchagan@fossee.in>
parents: 64
diff changeset 
     4
 
    if a % 2 == 1:
64
333092b68926 Added quiz tex file and all exercise problems Madhu worked out.
Madhusudan.C.S <madhusudancs@gmail.com>
parents:
diff changeset 
     5
 
        a = a * 3 + 1
333092b68926 Added quiz tex file and all exercise problems Madhu worked out.
Madhusudan.C.S <madhusudancs@gmail.com>
parents:
diff changeset 
     6
 
    else:
333092b68926 Added quiz tex file and all exercise problems Madhu worked out.
Madhusudan.C.S <madhusudancs@gmail.com>
parents:
diff changeset 
     7
 
        a /= 2
386
a0bec380b44f Major edits.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents: 354
diff changeset 
     8
 
print 4, 2, 1
Workshop materials