| #!/usr/bin/env python3 | |
| import argparse | |
| import mpmath | |
| def main(): | |
| parser = argparse.ArgumentParser() | |
| parser.add_argument('--a', type=float, required=True) | |
| args = parser.parse_args() | |
| result = mpmath.log(args.a) # 计算自然对数 | |
| print(result) | |
| if __name__ == "__main__": | |
| main() | |
| # ================================================== | |
| # Sample Test Cases (randomly selected) | |
| # ================================================== | |
| # ===== Test Case 1 ===== | |
| # Input: | |
| # --a = 76.06210119095341 | |
| # Output: | |
| # 4.33155012755837 | |
| # Return Code: 0 | |
| # ===== Test Case 2 ===== | |
| # Input: | |
| # --a = 69.98412644709931 | |
| # Output: | |
| # 4.24826845129284 | |
| # Return Code: 0 | |
| # ===== Test Case 3 ===== | |
| # Input: | |
| # --a = 62.18202508864812 | |
| # Output: | |
| # 4.13006597226766 | |
| # Return Code: 0 | |
| # ===== Test Case 4 ===== | |
| # Input: | |
| # --a = 97.96114051453762 | |
| # Output: | |
| # 4.58457087467174 | |
| # Return Code: 0 | |