Solutions of the HackerRank's Python challenges
- Introduction
| Challenge | Solution |
|---|---|
| Say "Hello, World!" With Python | Script |
| Python If-Else | Script |
| Arithmetic Operators | Script |
| Python: Division | Script |
| Loops | [Script] () |
| Write a function | [Script] () |
| Print Function | Script |
- Basic Data Types
| Challenge | Solution |
|---|---|
| List Comprehensions | [Script] () |
| Find the Runner-Up Score! | [Script] () |
| Nested Lists | [Script] () |
| Finding the percentage | [Script] () |
| Lists | [Script] () |
| Tuples | [Script] () |
- Strings
| Challenge | Solution |
|---|---|
| sWAP cASE | [Script] () |
| String Split and Join | [Script] () |
| What's Your Name? | [Script] () |
| Mutations | [Script] () |
| Find a string | [Script] () |
| String Validators | [Script] () |
| Text Alignment | [Script] () |
| Text Wrap | [Script] () |
| Designer Door Mat | [Script] () |
| String Formatting | [Script] () |
| Alphabet Rangoli | [Script] () |
| Capitalize! | [Script] () |
| The Minion Game | [Script] () |
| Merge the Tools! | [Script] () |
- Sets
| Challenge | Solution |
|---|---|
| Introduction to Sets | [Script] () |
| No Idea! | [Script] () |
| Symmetric Difference | [Script] () |
| Set .add() | [Script] () |
| Set .discard(), .remove() & .pop() | [Script] () |
| Set .union() Operation | [Script] () |
| Set .intersection() Operation | [Script] () |
| Set .difference() Operation | [Script] () |
| Set .symmetric_difference() Operation | [Script] () |
| Set Mutations | [Script] () |
| The Captain's Room | [Script] () |
| Check Subset | [Script] () |
| Check Strict Superset | [Script] () |
- Math
| Challenge | Solution |
|---|---|
| Polar Coordinates | [Script] () |
| Find Angle MBC | [Script] () |
| Triangle Quest 2 | [Script] () |
| Mod Divmod | [Script] () |
| Power - Mod Power | [Script] () |
| Integers Come In All Sizes | [Script] () |
| Triangle Quest | [Script] () |
- Itertools
| Challenge | Solution |
|---|---|
| itertools.product() | [Script] () |
| itertools.permutations() | [Script] () |
| itertools.combinations() | [Script] () |
| itertools.combinations_with_replacement() | [Script] () |
| Compress the String! | [Script] () |
| Iterables and Iterators | [Script] () |
| Maximize It! | [Script] () |
- Collections
| Challenge | Solution |
|---|---|
| collections.Counter() | [Script] () |
| DefaultDict Tutorial | [Script] () |
| Collections.namedtuple() | [Script] () |
| Collections.OrderedDict() | [Script] () |
| Word Order | [Script] () |
| Collections.deque() | [Script] () |
| Company Logo | [Script] () |
| Piling Up! | [Script] () |
- Date and Time
| Challenge | Solution |
|---|---|
| Calendar Module | [Script] () |
| Time Delta | [Script] () |
- Errors and Exceptions
| Challenge | Solution |
|---|---|
| Exceptions | [Script] () |
| Incorrect Regex | [Script] () |
- Classes
| Challenge | Solution |
|---|---|
| Classes: Dealing with Complex Numbers | [Script] () |
| Class 2 - Find the Torsional Angle | [Script] () |
- Built-Ins
| Challenge | Solution |
|---|---|
| Zipped! | [Script] () |
| Input() | [Script] () |
| Python Evaluation | [Script] () |
| Athlete Sort | [Script] () |
| Any or All | [Script] () |
| ginortS | [Script] () |
- Python Functionals
| Challenge | Solution |
|---|---|
| Map and Lambda Function | [Script] () |
| Validating Email Addresses With a Filter | [Script] () |
| Reduce Function | [Script] () |
- Regex and Parsing
| Challenge | Solution |
|---|---|
| Detect Floating Point Number | [Script] () |
| Re.split() | [Script] () |
| Group(), Groups() & Groupdict() | [Script] () |
| Re.findall() & Re.finditer() | [Script] () |
| Re.start() & Re.end() | [Script] () |
| Regex Substitution | [Script] () |
| Validating Roman Numerals | [Script] () |
| Validating phone numbers | [Script] () |
| Validating and Parsing Email Addresses | [Script] () |
| Hex Color Code | [Script] () |
| HTML Parser - Part 1 | [Script] () |
| HTML Parser - Part 2 | [Script] () |
| Detect HTML Tags, Attributes and Attribute Values | [Script] () |
| Validating UID | [Script] () |
| Validating Credit Card Numbers | [Script] () |
| Validating Postal Codes | [Script] () |
| Matrix Script | [Script] () |
- XML
| Challenge | Solution |
|---|---|
| XML 1 - Find the Score | [Script] () |
| XML2 - Find the Maximum Depth | [Script] () |
- Closures and Decorators
| Challenge | Solution |
|---|---|
| Standardize Mobile Number Using Decorators | [Script] () |
| Decorators 2 - Name Directory | [Script] () |
- Numpy
| Challenge | Solution |
|---|---|
| Arrays | [Script] () |
| Shape and Reshape | [Script] () |
| Transpose and Flatten | [Script] () |
| Concatenate | [Script] () |
| Zeros and Ones | [Script] () |
| Eye and Identity | [Script] () |
| Array Mathematics | [Script] () |
| Floor, Ceil and Rint | [Script] () |
| Sum and Prod | [Script] () |
| Min and Max | [Script] () |
| Mean, Var, and Std | [Script] () |
| Dot and Cross | [Script] () |
| Inner and Outer | [Script] () |
| Polynomials | [Script] () |
| Linear Algebra | [Script] () |
- Debugging
| Challenge | Solution |
|---|---|
| Words Score | [Script] () |
| Default Arguments | [Script] () |