This technical project features a Python-based thermodynamic analyzer specifically engineered to simulate and evaluate the performance of the Ideal Rankine Cycle in steam power plants. By integrating core mechanical engineering principles with computational logic, the tool automates the derivation of critical performance metrics including turbine work output, pump energy consumption, and overall thermal efficiency. Designed to replace traditional manual steam table lookups, this software provides a high-precision digital solution for engineers to conduct rapid cycle analysis and system optimization. The implementation demonstrates a professional synergy between mechanical design and technical programming, offering a reliable framework for preliminary power plant performance assessment and energy balance verification.