PANDATD · PANDATD · Jul 28, 2026 · Jul 28, 2026
diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
@@ -6,8 +6,3 @@ repos:
             args: [--fix]
 
           - id: ruff-format
-
-    - repo: https://github.com/pre-commit/mirrors-mypy
-      rev: v1.18.2
-      hooks:
-          - id: mypy
diff --git a/python_fundamentals/exercises/decorator.py → ...n-fundamentals/01-decorators/decorator.py b/python_fundamentals/exercises/decorator.py → ...n-fundamentals/01-decorators/decorator.py
diff --git a/...fundamentals/exercises/context_manager.py → ...ls/02-context-managers/context_manager.py b/...fundamentals/exercises/context_manager.py → ...ls/02-context-managers/context_manager.py
diff --git a/...damentals/exercises/contextlib_example.py → ...02-context-managers/contextlib_example.py b/...damentals/exercises/contextlib_example.py → ...02-context-managers/contextlib_example.py
diff --git a/...undamentals/exercises/dataclass_basics.py → ...entals/03-dataclasses/dataclass_basics.py b/...undamentals/exercises/dataclass_basics.py → ...entals/03-dataclasses/dataclass_basics.py
diff --git a/python_fundamentals/exercises/timer.py → ...-fundamentals/04-timer-decorator/timer.py b/python_fundamentals/exercises/timer.py → ...-fundamentals/04-timer-decorator/timer.py
diff --git a/python_fundamentals/exercises/inventory.py → ...ted-programming/01-inventory/inventory.py b/python_fundamentals/exercises/inventory.py → ...ted-programming/01-inventory/inventory.py
diff --git a/python_fundamentals/exercises/pricing.py → ...riented-programming/02-pricing/pricing.py b/python_fundamentals/exercises/pricing.py → ...riented-programming/02-pricing/pricing.py
diff --git a/...ises/employee_salary_module/assignment.md → ...gramming/03-employee-salary/assignment.md b/...ises/employee_salary_module/assignment.md → ...gramming/03-employee-salary/assignment.md
diff --git a/...rcises/employee_salary_module/employee.py → ...ing/03-employee-salary/employee_salary.py b/...rcises/employee_salary_module/employee.py → ...ing/03-employee-salary/employee_salary.py
diff --git a/...entals/exercises/day11_product_manager.py → modules/04-pydantic/day11_product_manager.py b/...entals/exercises/day11_product_manager.py → modules/04-pydantic/day11_product_manager.py
diff --git a/...als/exercises/day12_product_validation.py → ...s/04-pydantic/day12_product_validation.py b/...als/exercises/day12_product_validation.py → ...s/04-pydantic/day12_product_validation.py
diff --git a/...entals/exercises/day12_pydantic_basics.py → modules/04-pydantic/day12_pydantic_basics.py b/...entals/exercises/day12_pydantic_basics.py → modules/04-pydantic/day12_pydantic_basics.py
diff --git a/...ses/day12_pydantic_user_model_exercise.py → ...tic/day12_pydantic_user_model_exercise.py b/...ses/day12_pydantic_user_model_exercise.py → ...tic/day12_pydantic_user_model_exercise.py
diff --git a/...ntals/exercises/day13_email_validation.py → ...les/04-pydantic/day13_email_validation.py b/...ntals/exercises/day13_email_validation.py → ...les/04-pydantic/day13_email_validation.py
diff --git a/...mentals/exercises/day14_computed_field.py → modules/04-pydantic/day14_computed_field.py b/...mentals/exercises/day14_computed_field.py → modules/04-pydantic/day14_computed_field.py
diff --git a/...ndamentals/exercises/day18-field-alias.py → modules/04-pydantic/day18-field-alias.py b/...ndamentals/exercises/day18-field-alias.py → modules/04-pydantic/day18-field-alias.py
diff --git a/python_fundamentals/__init__.py → ...s/04-pydantic/day_23_str_enum/__init__.py b/python_fundamentals/__init__.py → ...s/04-pydantic/day_23_str_enum/__init__.py
diff --git a/...als/exercises/day_23_str_enum/employee.py → ...ntic/day_23_str_enum/str_enum_employee.py b/...als/exercises/day_23_str_enum/employee.py → ...ntic/day_23_str_enum/str_enum_employee.py
diff --git a/...ercises/day_24_decimal/product_invoice.py → ...ydantic/day_24_decimal/product_invoice.py b/...ercises/day_24_decimal/product_invoice.py → ...ydantic/day_24_decimal/product_invoice.py
diff --git a/.../exercises/day_25_date_datetime/README.md → ...4-pydantic/day_25_date_datetime/README.md b/.../exercises/day_25_date_datetime/README.md → ...4-pydantic/day_25_date_datetime/README.md
diff --git a/...xercises/day_25_date_datetime/employee.py → ...pydantic/day_25_date_datetime/employee.py b/...xercises/day_25_date_datetime/employee.py → ...pydantic/day_25_date_datetime/employee.py
@@ -23,7 +23,11 @@ class Employee(BaseModel):
     # Use model_validate for string inputs to avoid static type errors and to
     # keep intentional parsing tests.
     vignesh_gawali = Employee.model_validate(
-        {"emp_name": "Vignesh Gawali", "joining_date": "2024-12-12", "created_at": "2024-12-12 12:12"}
+        {
+            "emp_name": "Vignesh Gawali",
+            "joining_date": "2024-12-12",
+            "created_at": "2024-12-12 12:12",
+        }
     )
 
     print(f"Python Representaion of Employee Object: {vignesh_gawali.model_dump()}")

diff --git a/...day_26_model_dump_serialization/README.md → ...day_26_model_dump_serialization/README.md b/...day_26_model_dump_serialization/README.md → ...day_26_model_dump_serialization/README.md
diff --git a/...y_26_model_dump_serialization/employee.py → ...y_26_model_dump_serialization/employee.py b/...y_26_model_dump_serialization/employee.py → ...y_26_model_dump_serialization/employee.py
@@ -44,7 +44,11 @@ def format_emp() -> None:
 
     # Use model_validate to pass string inputs (so static checkers don't flag arg-type).
     another_emp = Employee.model_validate(
-        {"emp_name": "Tejas Dixit", "joining_date": "2024-12-29", "created_at": "2024-12-28 12:12"}
+        {
+            "emp_name": "Tejas Dixit",
+            "joining_date": "2024-12-29",
+            "created_at": "2024-12-28 12:12",
+        }
     )
 
     print(

diff --git a/...ls/exercises/employee_field_serializer.py → .../04-pydantic/employee_field_serializer.py b/...ls/exercises/employee_field_serializer.py → .../04-pydantic/employee_field_serializer.py
diff --git a/.../exercises/nested_models/nested_models.py → modules/04-pydantic/nested_models.py b/.../exercises/nested_models/nested_models.py → modules/04-pydantic/nested_models.py
diff --git a/..._fundamentals/exercises/pydantic-extra.py → modules/04-pydantic/pydantic-extra.py b/..._fundamentals/exercises/pydantic-extra.py → modules/04-pydantic/pydantic-extra.py
@@ -42,7 +42,11 @@ class EventLog(BaseModel):
         # Use model_validate when passing extra fields via a mapping so static type
         # checkers don't complain about unexpected keyword arguments.
         event = EventLog.model_validate(
-            {"event_id": 0, "event_type": "Error", "event_description": "ValidationError"}
+            {
+                "event_id": 0,
+                "event_type": "Error",
+                "event_description": "ValidationError",
+            }
         )
 
         print(event.model_dump())

diff --git a/..._01_employee_management_system/company.py → .../01-employee-management-system/company.py b/..._01_employee_management_system/company.py → .../01-employee-management-system/company.py
diff --git a/pyproject.toml b/pyproject.toml
@@ -25,12 +25,8 @@ dev = [
 
 [tool.pytest.ini_options]
 addopts = "--import-mode=importlib -v"
-testpaths = [
-    "python_fundamentals/tests",
-]
-python_files = [
-    "test_*.py",
-]
+testpaths = ["tests"]
+python_files = ["test_*.py"]
 
 # -----------------------------------------------------------------------------
 # Ruff
@@ -63,6 +59,9 @@ target-version = ["py312"]
 [tool.mypy]
 python_version = "3.12"
 
+pretty = true
+show_error_codes = true
+
 warn_return_any = true
 warn_unused_configs = true
 warn_redundant_casts = true
@@ -73,5 +72,5 @@ disallow_incomplete_defs = true
 check_untyped_defs = true
 
 no_implicit_optional = true
-pretty = true
-show_error_codes = true
+
+explicit_package_bases = true
diff --git a/python_fundamentals/exercises/__init__.py b/python_fundamentals/exercises/__init__.py
diff --git a/python_fundamentals/exercises/employee_salary_module/__init__.py b/python_fundamentals/exercises/employee_salary_module/__init__.py
diff --git a/python_fundamentals/exercises/employee_salary_module/test_employee.py b/python_fundamentals/exercises/employee_salary_module/test_employee.py
diff --git a/python_fundamentals/notes/day01-functions-and-validation.md b/python_fundamentals/notes/day01-functions-and-validation.md
diff --git a/python_fundamentals/notes/day02-args-and-kwargs.md b/python_fundamentals/notes/day02-args-and-kwargs.md