Python 3.9 features:
1. High performance andflexibility – PEG basedparser (replaced currentLL(1) ) has high performanceand stability.
2. New 2 operatorsmerge “|”, and “|=” updateare introduced forDictionary operations
3. new two string functionsadded to string object for easy coding experience.they are ‘removeprefix(string)’and removesuffix(string) as below’prefix-n’. removeprefix(‘prefix-‘)’n-suffix’. removesuffix(‘-suffix’)both code provides ‘n’ as result
4. Type hinting for built-in generictypes for easy coding & understanding