Rik Wittkopp's Profile on SoloLearn
Rik Wittkopp

Rik Wittkopp

16
25201 XP

My Courses

HTML

4160 XP

Python 3

1544 XP

JavaScript

535 XP

CSS

424 XP

SQL

180 XP

Java

174 XP

DS with Python

123 XP

Machine Learning

86 XP

React + Redux

15 XP

My Codes

py
Pigpen Cypher

Last Modified: 01/17/2021 09:56:42

9

py
Merry Christmas

Last Modified: 01/09/2021 02:24:59

26

py
Prime Cousins

Last Modified: 01/05/2021 08:36:16

15

py
Unhappy Sequences

Last Modified: 12/11/2020 10:46:58

11

py
SpyNums in range

Last Modified: 12/06/2020 18:19:52

10

kt
Candies

Last Modified: 11/19/2020 03:09:15

8

kt
KT - Ace's Number

Last Modified: 11/13/2020 22:53:37

8

kt
KT - SpyNums in range

Last Modified: 11/10/2020 19:41:18

11

py
spinner V3.2

Last Modified: 10/19/2020 08:54:44

25

kt
KT - Vowel Count - DRY

Last Modified: 10/13/2020 03:53:46

8

kt
KT - Vowel Count - WET

Last Modified: 10/13/2020 03:50:06

7

kt
KT - Strong Numbers

Last Modified: 10/11/2020 09:24:59

8

py
Strong Numbers

Last Modified: 10/02/2020 22:15:47

8

kt
KT - Create alphabet

Last Modified: 09/24/2020 09:38:01

10

kt
KT - Letters

Last Modified: 09/23/2020 10:21:55

9

py
Digital Detective

Last Modified: 09/14/2020 09:15:54

9

kt
KT Division & Rounding

Last Modified: 09/07/2020 08:43:02

9

py
Quick Challenge

Last Modified: 08/27/2020 09:21:09

10

py
Computer Choice - RPS

Last Modified: 08/19/2020 10:43:33

15

py
tick tock

Last Modified: 08/16/2020 05:08:26

24

py
Ace 2nd Number Challenge

Last Modified: 08/14/2020 09:43:21

14

py
Hotel Keys - Challenge

Last Modified: 08/09/2020 22:51:56

9

py
Oma Pattern Challenge

Last Modified: 08/04/2020 07:46:56

13

py
Challenge: 9 is mine

Last Modified: 07/24/2020 08:19:58

12

py
Convert Number to IP Address

Last Modified: 07/21/2020 09:12:51

9

py
Convert IP to Number

Last Modified: 07/21/2020 07:46:31

12

py
Oma Fibonacci Cycle

Last Modified: 07/20/2020 04:57:58

7

py
Kaushik Challenge #19

Last Modified: 07/19/2020 09:32:50

12

py
Convert 99 Digits

Last Modified: 07/14/2020 21:12:46

8

py
Colourful Names

Last Modified: 07/06/2020 05:09:22

7

py
Colour Names

Last Modified: 07/04/2020 23:31:53

10

py
D3c0d3 5tr1ng5 - Kaushik

Last Modified: 07/04/2020 01:32:10

9

py
Simplest Calculator

Last Modified: 07/01/2020 22:43:24

8

py
Summations Calculation 2

Last Modified: 06/26/2020 03:36:33

6

py
Summations Calculation 1

Last Modified: 06/26/2020 03:36:15

6

py
gapful numbers

Last Modified: 06/24/2020 06:33:46

6

py
Swaps - Mirrielle Challenge

Last Modified: 06/23/2020 19:22:34

10

py
decimal => binary

Last Modified: 06/22/2020 09:29:31

5

py
decimal => binary: range

Last Modified: 06/22/2020 09:29:07

7

py
Bubblesort Speed Comparison

Last Modified: 06/11/2020 20:49:05

5

py
Bubblesort Variant

Last Modified: 06/11/2020 18:09:09

2

py
Splicing dictionaries

Last Modified: 06/01/2020 09:51:27

4

py
binary even odd

Last Modified: 05/31/2020 07:37:47

6

py
Sort the Sentence

Last Modified: 05/31/2020 01:10:48

9

py
Joshua Trejo Challenge

Last Modified: 05/28/2020 11:29:46

15

py
flags index A - C

Last Modified: 05/25/2020 09:24:31

8

py
Escalator Challenge

Last Modified: 05/17/2020 07:38:16

6

py
sum(pairs)

Last Modified: 05/06/2020 09:32:04

10

web
Beef Moussaka

Last Modified: 04/26/2020 06:21:52

10

py
Deficient Nums

Last Modified: 04/25/2020 23:35:20

7

py
Challenge 42

Last Modified: 04/25/2020 02:31:35

25

py
pattern

Last Modified: 04/24/2020 07:26:45

8

py
Spy Numbers

Last Modified: 04/23/2020 08:27:02

5

web
Did you copy my code?

Last Modified: 04/20/2020 09:23:53

23

py
Old style texting

Last Modified: 04/18/2020 05:58:59

15

py
Impenitent Digits

Last Modified: 04/13/2020 07:33:21

9

web
Speed Sign

Last Modified: 03/17/2020 08:35:07

5

py
Rohit Kanojiya Challenge

Last Modified: 03/15/2020 08:23:14

14

py
Louis password creator challenge

Last Modified: 03/14/2020 08:29:25

17

py
Fibonacci

Last Modified: 02/09/2020 05:01:34

18

py
DIY max() & min()

Last Modified: 02/08/2020 03:09:41

7

py
Brilliant Number

Last Modified: 02/07/2020 11:09:40

7

py
The Most Exciting Number etc

Last Modified: 02/07/2020 07:59:27

8

py
Magic Sygil

Last Modified: 02/07/2020 06:48:54

5

py
Closest Palindrome Number

Last Modified: 02/04/2020 07:32:32

4

py
Narcissistic Number

Last Modified: 02/03/2020 07:59:53

7

py
Perfect Number

Last Modified: 02/03/2020 06:39:52

4

py
Pandigital V2

Last Modified: 02/02/2020 22:43:04

8

py
Pandigital

Last Modified: 02/02/2020 10:16:40

10

py
Anadrome

Last Modified: 02/01/2020 23:44:03

4

py
sum of digits within number

Last Modified: 02/01/2020 04:36:05

10

py
Colourful Numbers

Last Modified: 01/31/2020 22:39:22

6

py
Bacteria

Last Modified: 01/26/2020 22:25:38

3

py
Valentine Heart

Last Modified: 01/24/2020 09:26:25

19

py
Chart Challenge 10_000

Last Modified: 01/18/2020 08:28:58

6

py
Chart Challenge

Last Modified: 01/18/2020 03:52:37

5

py
dict sorted by value

Last Modified: 01/03/2020 01:57:23

5

py
DIY - Accumulate()

Last Modified: 01/01/2020 05:24:48

8

py
Country Codes - ISO Alpha 2

Last Modified: 12/30/2019 18:19:17

7

py
DIY - ceil()

Last Modified: 12/25/2019 08:40:55

6

py
Regional Indicator Symbols - Flags

Last Modified: 12/16/2019 10:26:42

6

py
Hello World - no 'p' in code

Last Modified: 12/02/2019 04:45:45

15

py
Random numbers Vs ID numbers

Last Modified: 12/02/2019 04:29:28

6

py
One-liners - no joke

Last Modified: 12/02/2019 03:29:56

15

py
hexadecimals - ASCII

Last Modified: 11/30/2019 05:14:02

5

py
understanding exec()

Last Modified: 11/26/2019 17:22:04

6

py
DIY - Random number generator

Last Modified: 11/19/2019 08:40:43

26

py
Dragster

Last Modified: 10/30/2019 09:13:57

16

py
enumerate

Last Modified: 10/21/2019 17:00:30

12

py
tongue twister

Last Modified: 10/20/2019 08:56:20

10

py
Trimorphic numbers within range

Last Modified: 10/19/2019 11:34:21

14

py
Armstrong Numbers

Last Modified: 10/13/2019 00:46:48

12

py
Simple Add Digits Within Number

Last Modified: 10/12/2019 13:06:46

8

py
Remove gaps - Challenge

Last Modified: 10/05/2019 09:47:23

8

py
Coin Flip - Jay's challenge

Last Modified: 10/04/2019 21:35:25

12

py
Chooks

Last Modified: 09/30/2019 09:57:07

8

py
Vigenere cipher - numpy math

Last Modified: 09/28/2019 13:29:13

18

py
fun with python

Last Modified: 09/25/2019 09:13:43

11

py
using sorted

Last Modified: 09/14/2019 22:53:04

7

py
Thomas Williams challenge

Last Modified: 09/14/2019 13:32:22

9

py
character count functions

Last Modified: 09/04/2019 06:53:27

9

py
Yoel challenge - Cutit

Last Modified: 08/30/2019 09:23:49

10

py
Tower cranes

Last Modified: 08/25/2019 10:03:55

10

py
Craps - game

Last Modified: 08/24/2019 22:44:00

21

py
joke

Last Modified: 08/17/2019 11:46:20

19

py
append emirp

Last Modified: 08/13/2019 10:55:02

10

py
is last digit = length number

Last Modified: 08/12/2019 09:43:28

12

py
Ace#2

Last Modified: 08/12/2019 09:04:57

8

py
find Ace's number

Last Modified: 08/12/2019 09:02:41

12

py
practising lambda

Last Modified: 07/24/2019 20:54:23

9

py
triangle

Last Modified: 07/20/2019 09:45:37

11

py
cube root

Last Modified: 07/19/2019 00:58:51

9

py
Only primes within range

Last Modified: 07/14/2019 11:05:57

7

py
Prime or not within range

Last Modified: 07/14/2019 11:01:37

4

py
Vigenere cipher - hidden math

Last Modified: 07/11/2019 10:03:24

14

py
numpy art

Last Modified: 07/10/2019 18:14:18

11

py
dots

Last Modified: 07/03/2019 09:28:00

19

py
Caesar decryption

Last Modified: 07/01/2019 06:17:59

16

py
Caesar encryption

Last Modified: 06/20/2019 09:20:44

14

py
hidden dictionary

Last Modified: 06/06/2019 11:19:06

17

py
dice

Last Modified: 06/04/2019 09:58:24

19

py
character generation using numpy

Last Modified: 06/04/2019 07:05:26

11

py
bug in code

Last Modified: 05/22/2019 07:02:04

18

py
Range**i

Last Modified: 05/03/2019 09:19:52

13

My Certificates

HTML
HTML
Issued: 29 October, 2020
JavaScript
JavaScript
Issued: 05 June, 2020
Python 3
Python 3
Issued: 11 April, 2020
CSS
CSS
Issued: 22 March, 2020
SQL
SQL
Issued: 17 September, 2019

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Answer your own question and get 5 upvotes
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Win 50 challenges using one weapon
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Question Master
Post 5 questions with at least 5 upvotes each
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Great Question
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5 flawless victories in a row using one weapon
Good Question
Good Question
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Illuminator
Illuminator
Post 50 answers with at least 5 upvotes each
Rising Star
Rising Star
Win 5 challenges in a row using one weapon
Hat Trick
Hat Trick
Complete 3 courses
Code Ninja
Code Ninja
Post 50 codes with at least 5 upvotes each
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Solution Ninja
10 code coach solutions
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Solution Master
5 code coach solutions
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Solver
Solve a code coach problem
Teacher
Teacher
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The Player
The Player
Complete 100 challenges using one weapon
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Code Master
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Developer
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Coder
Coder
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Flawless victory in a challenge
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Junior
Junior
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Achiever
Complete a course
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Answerer
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Asker
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Just Getting Started
Win a challenge
Intern
Intern
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Good Citizen
Good Citizen
Leave a comment in a lesson/quiz
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Every successful coder has to start somewhere, and finishing a lesson is a great place to start
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Practice Makes Perfect
Practice Makes Perfect
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Top Question
Top Question
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Popular Question
Popular Question
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Question Ninja
Question Ninja
Post 10 questions with at least 5 upvotes each
Question Guru
Question Guru
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Top Answer
Top Answer
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Popular Answer
Popular Answer
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Contributor
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Creator
Create 10 SoloLearn-approved lessons in the Lesson Factory.
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Create 50 SoloLearn-approved lessons in the Lesson Factory.
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Senior Developer
Senior Developer
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Quiz Creator
Quiz Creator
Create 20 SoloLearn-approved quizzes in the Quiz Factory.
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Quiz Creator Master
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Solution Guru
50 code coach solutions
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