Add basic Python programs covering core concepts

[Sindhu1702013]

• Added P01_hello.py to demonstrate a basic print function.
• Introduced P02_InstanceMethods.py, P06_Inheritance.py, and P07_MoreOnInheritance.py for fundamental object-oriented programming concepts like instance methods and inheritance.
• Included P02_VariableScope copy.py to illustrate Python's variable scope rules (LEGB).
• Added P05_Pattern.py for various pattern printing exercises, P07_PrimeNumber.py for prime number checking, P58_PerfectNumber.py for perfect number logic, and P59_PascalTriangle.py for Pascal's Triangle generation, covering basic algorithmic thinking.
• Implemented P06_CharCount.py, P56_Pangram.py, and P57_Anagram.py to showcase basic string manipulation and data structure usage (e.g., collections.Counter).
• Provided P50_ListComprehensions.py to demonstrate efficient list creation, and P51_PythonJSON.py, P60_PickleModule.py for basic data serialization and deserialization using JSON and Pickle modules.
• Included P52_BucketSort.py and P53_ShellSort.py to illustrate sorting algorithms.

[email-to: sindhuja.golagani@techolution.com]