Mercurial > hg > swc-python-intro
changeset 3:8a8bccdf4e9c
added a comment to the data file; modified script so that it ignores the comment in the data file.
| author | luisf <luis.figueira@eecs.qmul.ac.uk> |
|---|---|
| date | Tue, 05 Feb 2013 16:34:56 +0000 |
| parents | c6c0578924fa |
| children | 79ef88975054 |
| files | data.txt python-intro.py |
| diffstat | 2 files changed, 10 insertions(+), 4 deletions(-) [+] |
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--- a/data.txt Tue Feb 05 16:21:43 2013 +0000 +++ b/data.txt Tue Feb 05 16:34:56 2013 +0000 @@ -2,4 +2,5 @@ 2012.04.28,marlin,2 2012.04.28,turtle,1 2012.04.28,shark,3 +# I think it was a Marlin... luis 2012.04.27,marlin,4
--- a/python-intro.py Tue Feb 05 16:21:43 2013 +0000 +++ b/python-intro.py Tue Feb 05 16:34:56 2013 +0000 @@ -1,13 +1,18 @@ source = open('data.txt', 'r') -# reads header line -source.readline() - number = 0 # count number of data records for line in source: - number = number + 1 + if line.startswith('#'): + # skip comments + pass + elif line.startswith('D'): + # skip title row + pass + else: + number = number + 1 + source.close() print "Total number of data records:", number