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triangle calculation (ukrainian, python learhing, school)
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| import math | |
| # --- Strings --- | |
| SELECT_TASK_MESSAGE = ''' | |
| Виберіть тип вирішення (1 або 2): | |
| 1: невідомий катет; | |
| 2: невідома гіпотенуза; | |
| ''' | |
| TASK_SELECTED_MESSAGE = 'Вибрано: ' | |
| INPUT_TRIANGLE_LEG_MESSAGE = 'Введіть довжину катета (число): ' | |
| INPUT_TRIANGLE_HYPOTENUSE_MESSAGE = 'Введіть довжину гіпотенузи (число): ' | |
| RESULT_MESSAGE = 'Результат обчислення: ' | |
| TASK_SELECTION_ERROR = 'Помилка! Невірний вибір.' | |
| DATA_INPUT_ERROR = 'Помилка! Катет не може бути більшим або рівним гіпотенузи. Або введено невірні дані' | |
| # ----- Functions ----- | |
| def select_task(): | |
| selected_task = input(SELECT_TASK_MESSAGE) | |
| if selected_task == '1' or selected_task == '2': | |
| print(TASK_SELECTED_MESSAGE + selected_task) | |
| return selected_task | |
| else: | |
| exit(TASK_SELECTION_ERROR) | |
| def calculate_triangle_leg(): | |
| hypotenuse = float(input(INPUT_TRIANGLE_HYPOTENUSE_MESSAGE)) | |
| leg_1 = float(input(INPUT_TRIANGLE_LEG_MESSAGE)) | |
| if leg_1 <= 0 or hypotenuse <= 0 or hypotenuse <= leg_1: | |
| exit(DATA_INPUT_ERROR) | |
| leg_2 = math.sqrt(hypotenuse ** 2 - leg_1 ** 2) | |
| return leg_2 | |
| def calculate_hypotenuse(): | |
| leg_1 = float(input(INPUT_TRIANGLE_LEG_MESSAGE)) | |
| leg_2 = float(input(INPUT_TRIANGLE_LEG_MESSAGE)) | |
| if leg_1 <= 0 or leg_2 <= 0: | |
| exit(DATA_INPUT_ERROR) | |
| hypotenuse = math.sqrt(leg_1 ** 2 + leg_2 ** 2) | |
| return hypotenuse | |
| # ----- Main ----- | |
| task = select_task() | |
| if task == '1': | |
| result = calculate_triangle_leg() | |
| elif task == '2': | |
| result = calculate_hypotenuse() | |
| print(RESULT_MESSAGE + str(result)) |
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