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Python/data_structures/binary_tree/red_black_tree.py remove error

9

''' remove can not change root ''' def test_self(): rb = [10, 11, 12, 6, 7, 8, 9, 2, 1, 18, 13, 14, 15, 16] tree = RedBlackTree(5) for d...

yulunyue

Function number_of_divisors(n) returns wrong results

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https://github.com/TheAlgorithms/Python/blob/master/maths/basic_maths.py Function number_of_divisors(n) returns wrong results, e.g., number_of_divisors(6) produces 2. Correct answer should be 4. After factorization, if n is not 1, this means it's a prime which has two...

yuanyanhui

Theres is a problem in "maths/newton_raphson.py"

3

In file "maths/newton_raphson.py", there is a error in function "newton_raphson()". It likes that variables "error" was not refreshed in for-iterator process。So we need to recalculate the "error" in for-loop block,...

SmileOfHeart

digital root method

4

### Describe your change: **added the 'digital_root' method to maths/sum_of_digits.py. a digital root is: https://en.wikipedia.org/wiki/Digital_root** * [x] Add an algorithm? * [ ] Fix a bug or typo in an...

meg-1

Convert to excel or csv

5

# import all required library Import xlrd Import csv Import pandas csv # open workbook by sheet index # optional_sheet_by_index() Sheet=xlrd.open_workbook("Test.xlsx").sheet_by_index(0) # writen object is created Col= csv.writen(open("Tcsv",'w',newline=" " ))...

Jatinsharma250

Python Kinematics

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### **Describe your change:** * [x] Add an algorithm? * [ ] Fix a bug or typo in an existing algorithm? * [ ] Documentation change? ### **Checklist:** * [x]...

SaucyGames05

search in rotated sorted array is added

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### **Describe your change:** Solution to the algorithmic problem, **_search in a rotated sorted array in python_** is added, FIXES #5112 issue. * [x] Add an algorithm? * [ ]...

Harshit850

Add snippet to find the saddle points of a matrix

1

### **Describe your change:** Added snippet for finding the saddle points of a matrix * [x] Add an algorithm? * [ ] Fix a bug or typo in an existing...

RDxR10

Initiate how to get the speed from a given distance and time.

1

### **Describe your change:** * [x] Add an algorithm? ### **Checklist:** * [x] I have read [CONTRIBUTING.md](https://github.com/TheAlgorithms/Python/blob/master/CONTRIBUTING.md). * [x] This pull request is all my own work -- I have...

za

Sushan

1

### **Describe your change:** * [x] Add an algorithm? * [ ] Fix a bug or typo in an existing algorithm? * [ ] Documentation change? ### **Checklist:** * [x]...

SushanShakya