How to Fix String Casing in Python
The challenge
You will be given a string that may have mixed uppercase and lowercase letters and your task is to convert that string to either …
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How to Remove Duplicate Words from a String in Python
The challenge
Remove all duplicate words from a string, leaving only single (first) words entries.
Example:
Input:
‘alpha beta beta gamma gamma gamma …
Read Article →How to Validate a Regex PIN Code in Python
The challenge
ATM machines allow 4 or 6 digit PIN codes and PIN codes cannot contain anything but exactly 4 digits or exactly 6 digits.
If the …
Read Article →Combine strings and remove duplicates in Python
The challenge
Take 2 strings s1 and s2 including only letters from ato z. Return a new sorted string, the longest possible, containing distinct …
Return Short Long Short in Python
The challenge
Given 2 strings, a and b, return a string of the form short+long+short, with the shorter string on the outside and the longer string on …
Hello, Name or World in Python
The challenge
Define a method hello that returns “Hello, Name!” to a given name, or says Hello, World! if name is not given (or passed as …
Add Length to Strings in Python
The challenge
What if we need the length of the words separated by a space to be added at the end of that same word and have it returned as an array? …
Read Article →How to Reversing Words in a String in Python
The challenge
Write a function that reverses the words in a given string. A word can also fit an empty string. If this is not clear enough, here are …
Read Article →How to Remove Duplicates from List in Python
The challenge
Define a function that removes duplicates from an array of numbers and returns it as a result.
The order of the sequence has to stay the …
Read Article →How to Format Dollars and Cents in Python
The challenge
The company you work for has just been awarded a contract to build a payment gateway. In order to help move things along, you have …
Read Article →Return `5` without any numbers in Python
The challenge
Write a function that always returns 5
Sounds easy right? Just bear in mind that you can’t use any of the following characters: …
Read Article →How to Generate Range of Integers in Python
The challenge
Implement a function named generateRange(min, max, step), which takes three arguments and generates a range of integers from min to max, …
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