zero

Add leading zeros to variable in list – PYTHON

Add leading zeros to variable in list Question: I tried to do some experimenting with variables in lists. Some of numbers wasn’t same length as original input. For example: Original: [012, 125, 032] Result: [12, 125, 32] How can I add leading zeros to equalise to original values? I Have tried zfill and format but …

Total answers: 1

fastest way too fill a rows that contain all zeros

fastest way too fill a rows that contain all zeros Question: what is the fastest way to fill every row in 2d array that contains all zeros with different value. Only the rows that all contain Zero.. the only idea I have is a loop and using np.all() to check every row array([[2, 6, 9, …

Total answers: 2

a function to count the step reaching 0

a function to count the step reaching 0 Question: Given a binary number, I need to write a function to count the total steps reaching zero. The rules are: If the number is even, divide it by 2 If the number is odd, subtract 1 from it for example, it takes six iterations for "1110" …

Total answers: 5

range countdown to zero

range countdown to zero Question: I am taking a beginner Python class and the instructor has asked us to countdown to zero without using recursion. I am trying to use a for loop and range to do so, but he says we must include the zero. I searched on the internet and on this website …

Total answers: 3

Make division by zero equal to zero

Make division by zero equal to zero Question: How can I ignore ZeroDivisionError and make n / 0 == 0? Asked By: octosquidopus || Source Answers: You can use a try/except block for this. def foo(x,y): try: return x/y except ZeroDivisionError: return 0 >>> foo(5,0) 0 >>> foo(6,2) 3.0 Answered By: Cory Kramer Check if …

Total answers: 10

How to retain leading zeros of int variables?

How to retain leading zeros of int variables? Question: Below is a section of code which is part of a functional decryption and encryption program. while checkvar < maxvar: # is set to < as maxvar is 1 to high for the index of var #output.append("%02d" % number) i =ord(var[checkvar]) – 64 # Gets postional …

Total answers: 4

Removing Trailing Zeros in Python

Removing Trailing Zeros in Python Question: I need to find a way to convert the following strings in python: 0.000 => 0 0 => 0 123.45000 => 123.45 0000 => 0 123.4506780 => 123.450678 and so forth. I tried .rstrip(‘0’).rstrip(‘.’), but that doesn’t work if the input is 0 or 00. Any ideas? Thanks! Asked …

Total answers: 7

negative zero in python

negative zero in python Question: I encountered negative zero in output from python; it’s created for example as follows: k = 0.0 print(-k) The output will be -0.0. However, when I compare the -k to 0.0 for equality, it yields True. Is there any difference between 0.0 and -0.0 (I don’t care that they presumably …

Total answers: 7

Pad python floats

Pad python floats Question: I want to pad some percentage values so that there are always 3 units before the decimal place. With ints I could use ‘%03d’ – is there an equivalent for floats? ‘%.3f’ works for after the decimal place but ‘%03f’ does nothing. Asked By: hoju || Source Answers: ‘%03.1f’ works (1 …

Total answers: 4