diff options
Diffstat (limited to 'challenge-108/abigail/python/ch-2.py')
| -rw-r--r-- | challenge-108/abigail/python/ch-2.py | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/challenge-108/abigail/python/ch-2.py b/challenge-108/abigail/python/ch-2.py new file mode 100644 index 0000000000..161dcd862b --- /dev/null +++ b/challenge-108/abigail/python/ch-2.py @@ -0,0 +1,38 @@ +#!/opt/local/bin/python + +# +# See ../README.md +# + +# +# Run as: python ch-2.py +# + +import sys + +COUNT = 10 +PLAIN = 0 +COMPUTE = 1 + +type = PLAIN + +if len (sys . argv) > 1 and sys . argv [1] == "compute": + type = COMPUTE + + +if type == PLAIN: + print ("1, 1, 2, 5, 15, 52, 203, 877, 4140, 21147") + + +if type == COMPUTE: + bell = [[1]] + for x in range (1, COUNT - 1): + bell . append ([bell [x - 1] [x - 1]]) + for y in range (1, x + 1): + bell [x] . append (bell [x] [y - 1] + bell [x - 1] [y - 1]) + + print (1, end = '') + for x in range (0, COUNT - 1): + print (",", bell [x] [x], end = '') + + print ("") |
