On 04/04/17 12:04, Rafael Knuth wrote:
> Sarma: thank you so much, I checked your code, it works. However, can
> you enlighten me what it exactly does?
It just iterates over the PI string manually and compares
the birth date with the first 4 PI string characters.
It would probably be more pythonic and easier to read
to use startswith() instead
> count = 0
> b = "3"+b[2:]
I think this is to eliminate the period after the 3 of PI
> n = len(b)
> for i in range(n-3):
> if b[i:i+4] == get_year:
> count += 1
This is the core of it.
It starts with i = 0 and goes up to i = n-4
If b[i] to b[i+3] equals the birthdate you count
a match
You could rewrite it as
for i in range(n-3):
if b.startswith(get_year, i):
count += 1
HTH
--
Alan G
Author of the Learn to Program web site
http://www.alan-g.me.uk/
http://www.amazon.com/author/alan_gauld
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