Janusz Bujak 🇵🇱

Janusz Bujak 🇵🇱

16
40541 XP

My Courses

Python 3 Tutorial

8438 XP

C++ Tutorial

524 XP

CSS Fundamentals

475 XP

JavaScript Tutorial

445 XP

Java Tutorial

434 XP

C# Tutorial

428 XP

C Tutorial

390 XP

Ruby Tutorial

366 XP

PHP Tutorial

366 XP

Angular + NestJS

362 XP

Swift 4 Fundamentals

351 XP

Machine Learning

327 XP

Data Science with Python

324 XP

HTML Fundamentals

286 XP

SQL Fundamentals

221 XP

React + Redux

215 XP

jQuery Tutorial

192 XP


My Codes

py
🐍random0๏ธโƒฃ-9๏ธโƒฃ generator

Last Modified: 05/25/2020 07:18:53

15

py
Game of Life 🎗๏ธJohn H.Conway🎗๏ธ

Last Modified: 05/25/2020 07:18:43

65

py
🔢 Sudoku Validator 🔢

Last Modified: 05/25/2020 07:18:08

38

web
life 👍 or 👎 death

Last Modified: 05/22/2020 13:29:00

2

py
Armstrong number โž• Euler

Last Modified: 05/13/2020 09:34:11

10

py
fib recur🆚memoiz PYTHONTUTOR

Last Modified: 05/12/2020 09:05:05

13

py
🐍 is easy, simple & readableโ‰๏ธ🤣

Last Modified: 04/25/2020 06:30:28

64

py
deque() 🐍 double-ended queue

Last Modified: 04/22/2020 04:31:15

9

web

120

py
โ˜• & 🐍

Last Modified: 04/22/2020 04:30:34

115

py
ABACUS โ†”๏ธ first 💻 OneLiner

Last Modified: 04/22/2020 04:30:22

128

py
Function Overloading in 🐍โ€ผ๏ธ

Last Modified: 04/22/2020 04:29:06

4

py
🐍 Neat Pytricks 🔵🔴 tuple

Last Modified: 04/22/2020 04:28:54

49

py
🔟โž• 🐍 Space Remover 🐍

Last Modified: 04/20/2020 13:26:31

39

py
numpy round() 🆚 🐍 round( )

Last Modified: 04/19/2020 16:29:34

11

py
read only locals 🆚 globals 🆚 vars

Last Modified: 04/19/2020 10:33:33

7

py
🅰 โž• 🅱 without โž•

Last Modified: 04/13/2020 17:06:26

75

py
🔟โž• weird 🐍 codes 🤔🙃😶🤕

Last Modified: 04/10/2020 10:09:55

39

py
Break repeating-key XOR 1๏ธโƒฃ🔑6๏ธโƒฃ

Last Modified: 04/09/2020 18:53:27

12

py
🐍 x = y, z = 'XY' 🤔

Last Modified: 04/05/2020 09:23:31

23

py
🐍 f(*s) 🆚 *s

Last Modified: 03/22/2020 12:21:00

10

py
🐍 name mangling

Last Modified: 03/19/2020 09:47:57

10

py
🐍default_args initโ€ผ๏ธ🤔

Last Modified: 03/19/2020 07:55:05

11

py
Guess 🐍 len(str(dict))

Last Modified: 03/04/2020 23:34:51

23

py
🐍 yield...โ—€๏ธโ–ถ๏ธ🐍 yield from...

Last Modified: 03/04/2020 23:32:08

35

py
Repeating-key XOR 1๏ธโƒฃ🔑5๏ธโƒฃ

Last Modified: 02/27/2020 15:18:21

11

py
Detect single-char XOR 1๏ธโƒฃ🔑4๏ธโƒฃ

Last Modified: 02/27/2020 13:33:44

10

py
Single-byte XOR cipher 1๏ธโƒฃ🔑3๏ธโƒฃ

Last Modified: 02/21/2020 21:34:47

9

py
Fixed XOR 1๏ธโƒฃ🔑2๏ธโƒฃ

Last Modified: 02/21/2020 21:24:58

11

py
hex_to_base64 1๏ธโƒฃ🔑1๏ธโƒฃ

Last Modified: 02/21/2020 21:19:47

11

cpp
Decimal to Binary C++

Last Modified: 01/19/2020 13:53:58

12

โ˜• ZeroDivError โ˜•

Last Modified: 12/19/2019 18:22:12

35

py
🐍 completed illegal oper โ‰๏ธ🤔

Last Modified: 12/14/2019 11:34:47

24

py
🐍 module explorerโ€ผ๏ธ🙂

Last Modified: 12/11/2019 11:00:56

18

py
Extremly_obfuscated_code โ™ป🐍โ™ป #DontAskMeHow

Last Modified: 12/07/2019 12:46:29

43

py
🐍 โ™’ 🆚 copy() 🆚 deepcopy()

Last Modified: 12/07/2019 09:19:49

28

py
🌕 Digging deep in 🐍

Last Modified: 12/04/2019 20:28:28

24

py
🐍range(-5,256+1) mem_optimization

Last Modified: 12/03/2019 16:00:37

15

py
Quiz_locals() 🏡

Last Modified: 11/27/2019 22:22:54

32

py
super()_class 🐍🐍🐍

Last Modified: 11/25/2019 22:28:23

37

py
super()_**kwargs 🐍🐍🐍

Last Modified: 11/25/2019 22:28:16

30

py
super()_Mixin 🐍🐍🐍

Last Modified: 11/25/2019 22:28:10

33

py
Quize Annotating_expressions โ“โ“โ“

Last Modified: 11/25/2019 22:25:33

26

web
JS 0=="0"==[ ] โ‰๏ธ🤔

Last Modified: 11/20/2019 11:02:31

38

php
Timezone: 💖Cracovโžก๏ธPoland💖

Last Modified: 11/20/2019 11:01:17

46

py
🐍 nan - worse than 🔳 Black Hole 🤔🙃🤕🤢

Last Modified: 11/11/2019 19:42:12

19

py
Convert 🐍 script โฉ single line

Last Modified: 11/06/2019 16:02:59

31

py
โž•= 🆚 = โž• Subtle differences 🐍

Last Modified: 11/06/2019 16:01:13

50

py
Don't import Zen of 🐍 โ€ผ๏ธโ˜บ๏ธ

Last Modified: 11/04/2019 21:53:31

19

py
🐍 isinstance() 🆚 type()

Last Modified: 10/30/2019 12:05:51

15

py
nan = float('nan') โ‰๏ธ🤔🐍

Last Modified: 10/28/2019 07:25:16

33

py
inf = float('inf') โ‰๏ธ🤔🐍

Last Modified: 10/23/2019 11:36:12

17

py
🔄 All Prime Numbers Generator

Last Modified: 10/23/2019 07:38:15

21

web
🇵🇱 Polish Flag 🇵🇱

Last Modified: 10/16/2019 08:09:55

76

py
🐍 list 🆚 tuple

Last Modified: 10/06/2019 10:15:39

35

py
โ†ช๏ธDATAโ†ฉ๏ธ recursion 🔄🔁🔃

Last Modified: 10/04/2019 08:30:58

26

py
All about dictionaries 📚📒📔📕📓📗📘📙

Last Modified: 09/27/2019 20:06:24

42

py
Quiz class attributes 🐍🐍🐍

Last Modified: 09/23/2019 11:25:13

30

py
Quiz 🤔🐍🐍🐍

Last Modified: 09/23/2019 11:20:44

34

py
Short Shorter Shortest 🐍 #OneLiners

Last Modified: 09/23/2019 05:32:36

29

py
hash(-1๏ธโƒฃ)==hash(-2๏ธโƒฃ) Unbelievable 🆘🆘🆘

Last Modified: 09/23/2019 05:25:40

25

py
Quize - 🐍 can bite you 🆘🆘🆘

Last Modified: 09/23/2019 05:25:17

29

py
What is thisโ“ โšชโšชโšช

Last Modified: 09/21/2019 20:27:19

47

py
🐍 strange_behavior โ‰๏ธ

Last Modified: 09/20/2019 19:57:48

39

py
Quiz_2๏ธโƒฃ

Last Modified: 09/20/2019 18:19:44

29

py
Quiz_1๏ธโƒฃ

Last Modified: 09/20/2019 18:18:01

29

py
Quiz_3๏ธโƒฃ

Last Modified: 09/20/2019 18:16:25

29

py
Valid_bin_string 0๏ธโƒฃ1๏ธโƒฃ

Last Modified: 09/20/2019 18:16:10

30

py
Quiz_4๏ธโƒฃ2๏ธโƒฃ

Last Modified: 09/20/2019 18:15:57

26

cpp
โžฟ Loop 🆚 Recursive🔄

Last Modified: 08/26/2019 11:17:54

31

py
🐍 Class on the fly 🍃🐦🕊๏ธ🐝🦋🚁โœˆ๏ธ

Last Modified: 08/23/2019 21:43:50

24

py
Quize 🐍 Class_function_execโ“โ“โ“

Last Modified: 08/18/2019 09:45:11

27

py
Quiz_packing_unpacking 📦🎁

Last Modified: 08/15/2019 19:55:50

30

py
🐍 mutable default argument

Last Modified: 08/14/2019 01:58:29

9

py
exec(multi_line_code) 🐍🐍🐍

Last Modified: 06/24/2019 09:40:11

33

py
🆘🆘🆘 "BIG BUG" in Code PlayGround 🆘🆘🆘

Last Modified: 05/07/2019 06:38:22

47

py
super(with/without param)🐍🐍🐍

Last Modified: 05/06/2019 17:14:16

29

py
What_is_this โ“ 🆘🆘🆘

Last Modified: 04/01/2019 20:44:27

38

py
Quiz_🆘

Last Modified: 04/01/2019 20:44:11

24

py
Validate_variable_name_🆘🆗

Last Modified: 04/01/2019 20:44:01

27

py
Quiz_glob_loc 🌐🏠

Last Modified: 04/01/2019 13:08:54

26

py
🐍 return 🆚 yield 🐍

Last Modified: 03/19/2019 11:54:25

33


My Certificates

Angular + NestJS
Angular + NestJS
Issued: 27 May, 2020
React + Redux
React + Redux
Issued: 24 May, 2020
Machine Learning
Machine Learning
Issued: 01 May, 2020
Data Science with Python
Data Science with Python
Issued: 29 April, 2020
C Tutorial
C Tutorial
Issued: 11 July, 2019
Ruby Tutorial
Ruby Tutorial
Issued: 06 July, 2017
jQuery Tutorial
jQuery Tutorial
Issued: 29 June, 2017
C++ Tutorial
C++ Tutorial
Issued: 09 April, 2016
Swift 4 Fundamentals
Swift 4 Fundamentals
Issued: 07 April, 2016
C# Tutorial
C# Tutorial
Issued: 05 April, 2016
HTML Fundamentals
HTML Fundamentals
Issued: 03 April, 2016
Java Tutorial
Java Tutorial
Issued: 02 April, 2016
CSS Fundamentals
CSS Fundamentals
Issued: 31 March, 2016
JavaScript Tutorial
JavaScript Tutorial
Issued: 30 March, 2016
PHP Tutorial
PHP Tutorial
Issued: 29 March, 2016
SQL Fundamentals
SQL Fundamentals
Issued: 28 March, 2016
Python 3 Tutorial
Python 3 Tutorial
Issued: 27 March, 2016

Achievements

Guru
Guru
Win 500 challenges using one weapon
Respect!
Respect!
Complete 500 challenges using one weapon
Practice Makes Perfect
Practice Makes Perfect
Win 200 challenges using one weapon
Solution Guru
Solution Guru
50 code coach solutions
Solution Ninja
Solution Ninja
10 code coach solutions
Solution Master
Solution Master
5 code coach solutions
Solver
Solver
Solve a code coach problem
Illuminator
Illuminator
Post 50 answers with at least 5 upvotes each
Question Ninja
Question Ninja
Post 10 questions with at least 5 upvotes each
Code Ninja
Code Ninja
Post 50 codes with at least 5 upvotes each
Unbeatable!
Unbeatable!
Win 10 challenges in a row using one weapon
Unstoppable
Unstoppable
Win 100 challenges using one weapon
Challenge Master
Challenge Master
5 flawless victories in a row using one weapon
Question Master
Question Master
Post 5 questions with at least 5 upvotes each
Master
Master
Win 50 challenges using one weapon
The Player
The Player
Complete 100 challenges using one weapon
On Your Way to Fame
On Your Way to Fame
Flawless victory in a challenge
Comment Master
Comment Master
Leave 5 comments in a lesson/quiz with at least 5 upvotes each
Rising Star
Rising Star
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Gaining Experience
Gaining Experience
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Senior Developer
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Teacher
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Self-Learner
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Great Question
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Code Master
Code Master
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Developer
Developer
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Coder
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freeCodeCamp
freeCodeCamp
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Just Getting Started
Just Getting Started
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Junior
Junior
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Good Question
Good Question
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Intern
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Great Answer
Great Answer
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Good Answer
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Answerer
Answerer
Post an answer and get an upvote
Asker
Asker
Post a question and get an upvote
Verified Account
Verified Account
Verify your account's email address
Contributor
Contributor
Leave a comment in a lesson/quiz with 5 upvotes
Hat Trick
Hat Trick
Complete 3 courses
Course Master
Course Master
Complete 10 courses
Achiever
Achiever
Complete a course
Good Citizen
Good Citizen
Leave a comment in a lesson/quiz
Respected Citizen
Respected Citizen
Reply to a comment in a lesson/quiz and get 5 upvotes
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Engaged in!
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Epic!
Epic!
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Top Answer
Top Answer
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Popular Answer
Popular Answer
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Top Question
Top Question
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Popular Question
Popular Question
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Question Guru
Question Guru
Post 50 questions with at least 5 upvotes each
Moderator
Moderator
Awarded to members who have been selected by our moderation team to help moderate community content.
Gold Moderator
Gold Moderator
Awarded to select Moderators who show expertise in moderation and are ready for the next level of responsibilities.
Quiz Reviewer
Quiz Reviewer
Exclusive badge, handed out to community members who moderate user-generated quizzes.
Gold Quiz Reviewer
Gold Quiz Reviewer
Exclusive badge, handed out to experienced Quiz Reviewers who show expertise in moderation of user-generated quizzes.
Creator
Creator
Create 10 SoloLearn-approved lessons in the Lesson Factory.
Creator Master
Creator Master
Create 50 SoloLearn-approved lessons in the Lesson Factory.
Platinum Moderator
Platinum Moderator
Awarded to experienced moderators who are ready to recruit and train new moderators and curate community content.
Quiz Creator
Quiz Creator
Create 20 SoloLearn-approved quizzes in the Quiz Factory.
Quiz Creator Master
Quiz Creator Master
Create 100 SoloLearn-approved quizzes in the Quiz Factory.
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