Python and Django Basics Plus String Addition | Dataford Interview Questions

What are the basics of Python and Django, and write a program to add an underscore in a string.

Discuss Python data types, functions, collections, and Django's project, app, URL, view, and model structure. Then implement add_underscores(s), which returns a new string with _ between every pair of adjacent characters.

Input: one string s. Output: the transformed string. Preserve character order, including spaces and existing underscores.

Constraints

0 <= len(s) <= 10^5
s may contain letters, digits, spaces, punctuation, Unicode characters, and underscores
Return a new string without modifying the input

Function Signature

def add_underscores(s):

Your question is Python and Django Basics Plus String Addition. Start with the requirements in the Question tab.

Run and submit as often as you like. When you're ready, talk me through your approach or go straight to the code.

Problem

What are the basics of Python and Django, and write a program to add an underscore in a string.

Input: one string s. Output: the transformed string. Preserve character order, including spaces and existing underscores.

Constraints

0 <= len(s) <= 10^5
s may contain letters, digits, spaces, punctuation, Unicode characters, and underscores
Return a new string without modifying the input

Function Signature

def add_underscores(s):

Your question is Python and Django Basics Plus String Addition. Start with the requirements in the Question tab.

Run and submit as often as you like. When you're ready, talk me through your approach or go straight to the code.