Rafael Knuth <rafael.kn...@gmail.com> writes: > I tested this approach, and I noticed one weird thing: > > Pi_Number = str(3.14159265358979323846264338327950288419716939) > Pi_Number = "3" + Pi_Number[2:] > print(Pi_Number)
The mistake is in assuming such a precise number would survive representation as a ‘float’ object. Instead, a ‘float’ object has only a limited precision:: >>> 3.14159265358979323846264338327950288419716939 == \ 3.141592653589793238462643383279502884 True See the discussion of floating-point numbers in the tutorial <URL:https://docs.python.org/3/tutorial/floatingpoint.html>. In fact, you should work through the entire tutorial <URL:https://docs.python.org/3/tutorial/>, try all the exercises to understand each section before moving to the next. -- \ “If you fell down yesterday, stand up today.” —_The Anatomy of | `\ Frustration_, H. G. Wells, 1936 | _o__) | Ben Finney _______________________________________________ Tutor maillist - Tutor@python.org To unsubscribe or change subscription options: https://mail.python.org/mailman/listinfo/tutor