How do you express an integer as a binary number with Python literals?
I was easily able to find the answer for hex:
How do you use literals to e...
I have two integer values a and b, but I need their ratio in floating point. I know that a < b and I want to calculate a / b, so if I use integer division I'll always get 0 with a remainder of a.
How can I force c to be a floating point number in Pyt...
Python's math module contain handy functions like floor & ceil. These functions take a floating point number and return the nearest integer below or above it. However these functions return the answer as a floating point number. For example:
In Python, how can I parse a numeric string like "545.2222" to its corresponding float value, 545.2222? Or parse the string "31" to an integer, 31?
I just want to know how to parse a float str to a float, and (separately) an int str to an int.
I'm working on making a URL shortener for my site, and my current plan (I'm open to suggestions) is to use a node ID to generate the shortened URL. So, in theory, node 26 might be short.com/z, node 1 might be short.com/a, node 52 might be short.com/Z, and...
I have a tuple of tuples from a MySQL query like this:
T1 = (('13', '17', '18', '21', '32'),
('07', '11', '13', '14', '28'),
('01', '05', '06', '08', '15', '16'))
I'd like to convert all the string elements into integers and put them back i...
Python 3.1 (r31:73574, Jun 26 2009, 20:21:35) [MSC v.1500 32 bit (Intel)] on win32
Type "help", "copyright", "credits" or "license" for more information.
Is this intended? I strongly remember earlier versions returning int/int=int? ...
I want to convert an integer to a string in Python. I am typecasting it in vain:
d = 15
When I try to convert it to string, it's showing an error like int doesn't have any attribute called str.
I have a string in the format: 'nn.nnnnn' in Python, and I'd like to convert it to an integer.
Direct conversion fails:
>>> s = '23.45678'
>>> i = int(s)
Traceback (most recent call last):
File "<stdin>", line 1, in <module&...
Does anybody know how Python manage internally int and long types?
Does it choose the right type dynamically?
What is the limit for an int?
I am using Python 2.6, Is is different with previous versions?
How should I understand the code below?
I'm writing a program which calculates the check digit of an ISBN number. I have to read the user's input (nine digits of an ISBN) into an integer variable, and then multiply the last digit by 2, the second last digit by 3 and so on. How can I "split" the...
This problem is killing me. How does one roundup a number UP in Python?
I tried round(number) but it round the number down. Example:
round(2.3) = 2.0 and not 3, what I would like
The I tried int(number + .5) but it round the number down again! Example...
I have the following code:
l = ['-1.2', '0.0', '1']
x = 100.0
for i in l:
if i < x:
x = i
The code should find the lowest value in my list (-1.2) but instead when i print 'x' it finds the value is still 100.0
Where is my code go...
I want to create string using integer appended to it, in a for loop. Like this:
for i in range(1,11):
But it returns an error:
TypeError: unsupported operand type(s) for +: 'int' and 'str'
What's the best way to concatenate the ...
I want to be able to generate a number of text files with the names fileX.txt where X is some integer:
for i in range(key):
filename = "ME" + i + ".txt" //Error here! Can't concat a string and int
filenum = filename
filenum = open(filename , ...