Added README and report

Author: Sai Sandeep Ramavath

courseProjectDocs/integration-testing/README.md

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+# Integration Testing - Instructions to Run Tests
+
+## Test File Location
+
+Integration tests are located in: **`pandas/tests/util/test_integration.py`**
+
+## Prerequisites
+
+```bash
+# Navigate to project directory
+cd /Volumes/T7Shield/SWEN777/SWEN_777_Pandas
+
+# Activate virtual environment
+source venv/bin/activate
+```
+
+## How to Run Tests to Reproduce Results
+
+### Run All Integration Tests
+
+```bash
+python -m pytest pandas/tests/util/test_integration.py -v
+```
+
+**Expected Output:**
+```
+collected 6 items
+
+pandas/tests/util/test_integration.py::TestSandeepIntegration::test_series_to_dataframe_dtype_preservation PASSED
+pandas/tests/util/test_integration.py::TestSandeepIntegration::test_dataframe_from_dict_mixed_series_dtypes PASSED
+pandas/tests/util/test_integration.

courseProjectDocs/integration-testing/report.md

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+# Integration Testing Report
+
+## Test Design Summary
+
+This integration testing effort focuses on verifying interactions between multiple pandas modules. The tests are organized into three areas, each covering at least 2 module interactions:
+
+### Test 1: Series-DataFrame-Dtype Integration (Sandeep Ramavath)
+**Modules Integrated:**
+- `pandas.core.series` (Series class)
+- `pandas.core.frame` (DataFrame class)
+- `pandas.core.internals` (internal data managers)
+- `pandas.core.dtypes` (data type handling)
+
+**Interactions Tested:**
+1. **Series.to_frame()**: Tests dtype preservation when converting Series to DataFrame through internal manager conversion
+2. **DataFrame construction from dict**: Tests how DataFrame handles multiple Series with different dtypes (int64, float32, object) during construction