How to extract numbers from a string in Python?
I would like to extract all the numbers contained in a string. Which is better suited for the purpose, regular expressions or the isdigit() method?
I would like to extract all the numbers contained in a string. Which is better suited for the purpose, regular expressions or the isdigit() method?
How do I format a floating number to a fixed width with the following requirements:
Possible Duplicate:
Python rounding error with float numbers
How can I replace foobar with foo123bar?
Until version 3, Python’s division operator, /, behaved like C’s division operator when presented with two integer arguments: it returns an integer result that’s truncated down when there would be a fractional part. See: PEP 238
I’ve googled, I’ve tested, and this has me at my wits end. I have a list of numbers I need to group by similarity. For instance, in a list of [1, 6, 9, 100, 102, 105, 109, 134, 139], 1 6 9 would be put into a list, 100, 102, 105, and 109 would be put into a list, and 134 and 139. I’m terrible at math, and I’ve tried and tried this, but I can’t get it to work. To be explicit as possible, I wish to group numbers that are within 10 values away from one another. Can anyone help? Thanks.
I am trying to write a number guessing program as follows: def oracle(): n = ' ' print 'Start number = 50' guess = 50 #Sets 50 as a starting number n = raw_input("nnTrue, False or Correct?: ") while True: if n == 'True': guess = guess + int(guess/5) print print 'What about',guess, '?' break … Read more
I currently use this regex:
In Java the numeric types all descend from Number so I would use (x instanceof Number). What is the python equivalent? Answers: Thank you for visiting the Q&A section on Magenaut. Please note that all the answers may not help you solve the issue immediately. So please treat them as advisements. If you found the … Read more
Is there any easy way or function to determine the greatest number in a python list? I could just code it, as I only have three numbers, however it would make the code a lot less redundant if I could tell the greatest with a built in function or something.