PHPFixing
  • Privacy Policy
  • TOS
  • Ask Question
  • Contact Us
  • Home
  • PHP
  • Programming
  • SQL Injection
  • Web3.0

Wednesday, July 20, 2022

[FIXED] How to create a long positive integer

 July 20, 2022     integer, numbers, python, string, zero     No comments   

Issue

I am sorry if this question may sound a bit trivial for those who are more expert than me. If I have to create a long positive integer as well as find the number of zeros (with the following instruction as a hint: change the number to a string), do you know what I am supposed to do? Actually, these are some of the notions and examples that I'm focusing on to solve this problem.

enter image description here

I do not know whether the blue highlighted lines may be suitable for the assignment. There is no specified other info (if you are wondering, I have downloaded python 3.10, although typing the command python onto the panel of commands prompt, it pops up that the python's version in use is 3.6.6).

I am very sorry for this kind of question but I have just started moving my first step towards Python.

Thanks


Solution

you can convert an int to a str using str() and then count the number of zeros, this can be done using the findall() function from re

import re 
len(re.findall('0', str(number)))

findall() returns a list of all the occurrences that match the regex in the first argument, here '0' will only match a zero, the second argument is the string to check, here we pass the number cast as a string using str(). as findall() returns a list of occurrences we can pass the function as an argument to len() to get the number of occurrences

you can read more here



Answered By - Patrick
Answer Checked By - Mary Flores (PHPFixing Volunteer)
  • Share This:  
  •  Facebook
  •  Twitter
  •  Stumble
  •  Digg
Newer Post Older Post Home

0 Comments:

Post a Comment

Note: Only a member of this blog may post a comment.

Total Pageviews

Featured Post

Why Learn PHP Programming

Why Learn PHP Programming A widely-used open source scripting language PHP is one of the most popular programming languages in the world. It...

Subscribe To

Posts
Atom
Posts
Comments
Atom
Comments

Copyright © PHPFixing