* Create average_median.py
I created a program to calculate the median of a list of numbers.
* Changed Odd to Even in String
* Create decimal_to_binary.py
- Added 'conversions' folder.
- Created a decimal to binary converter.
* Implemented Decimal to Octal Algorithm
- I created a decimal to octal converter based on the converter in the TheAlgorithms/Python project.
- I added two newlines to make the output of decimal_to_binary.py better.
