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* Updated postfix_evaluation.py to support Unary operators and floating point numbers Fixes #8754 and #8724 Also merged evaluate_postfix_notations.py and postfix_evaluation.py into postfix_evaluation.py Signed-off-by: Arijit De <arijitde2050@gmail.com> * [pre-commit.ci] auto fixes from pre-commit.com hooks for more information, see https://pre-commit.ci * Updated postfix_evaluation.py to support Unary operators and floating point numbers. Fixes #8754 and formatted code to pass ruff and black test. Also merged evaluate_postfix_notations.py and postfix_evaluation.py into postfix_evaluation.py which fixes #8724 and made sure it passes doctest Signed-off-by: Arijit De <arijitde2050@gmail.com> * Fixed return type hinting required by pre commit for evaluate function Signed-off-by: Arijit De <arijitde2050@gmail.com> * Changed line 186 to return only top of stack instead of calling the get_number function as it was converting float values to int, resulting in data loss. Fixes #8754 and #8724 Signed-off-by: Arijit De <arijitde2050@gmail.com> * Made the requested changes Also changed the code to make the evaluate function first convert all the numbers and then process the valid expression. * Fixes #8754, #8724 Updated postfix_evaluation.py postfix_evaluation.py now supports Unary operators and floating point numbers. Also merged evaluate_postfix_notations.py and postfix_evaluation.py into postfix_evaluation.py which fixes #8724. Added a doctest example with unary operator. * Fixes #8754, #8724 Updated postfix_evaluation.py postfix_evaluation.py now supports Unary operators and floating point numbers. Also merged evaluate_postfix_notations.py and postfix_evaluation.py into postfix_evaluation.py which fixes #8724. Added a doctest example with unary operator. * Fixes #8754, #8724 Updated the parse_token function of postfix_evaluation.py ostfix_evaluation.py now supports Unary operators and floating point numbers. Also merged evaluate_postfix_notations.py and postfix_evaluation.py into postfix_evaluation.py which fixes #8724. Added a doctest example with unary operator and invalid expression. * Fixes #8754, #8724 Updated postfix_evaluation.py postfix_evaluation.py now supports Unary operators and floating point numbers. Also merged evaluate_postfix_notations.py and postfix_evaluation.py into postfix_evaluation.py which fixes #8724. Added a doctest example with unary operator and invalid expression. * Update postfix_evaluation.py * Update postfix_evaluation.py * Update postfix_evaluation.py * Update postfix_evaluation.py * Update postfix_evaluation.py --------- Signed-off-by: Arijit De <arijitde2050@gmail.com> Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com> Co-authored-by: Christian Clauss <cclauss@me.com>