At 24/1/2005 08:00, you wrote:
# Call pi(20) for first 20 digits, or pi() for all digits
def pi(n=-1):
printed_decimal = False
r = f((1,0,1,1))
while n != 0:
if len(r) == 5:
stdout.write(str(r[4]))
This code gives the number in an unusual format like "3.1415'None'" it has a number part and a string part . I want to seperate these from easc other but I couldn't manage. I mean when I try to turn it into string format then try to use things like [:4] or like that they don't work.Any idea how to seperate this 'None' from the number and make it a real normal number on which I can do operations like +1 -1 or like that :)
I bet: you call the function using: print pi(20) instead of just: pi(20)
That function already prints the output, one digit at a time. You could accumulate the answer into a list, or perhaps into a string, and get thousands of digits; but it doesnt make sense to store the answer in a "real normal number" because you are limited by the underlying floating point precision to a few decimals. To get pi as a real number, just say: from math import pi
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