47 lines
1.2 KiB
Python
47 lines
1.2 KiB
Python
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import re
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import random
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def calculate(expression, num=1):
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"""Calculate the result of the expression using n[0], n[1], ..."""
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# Generate random numbers and replace placeholders with them in the expression
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numbers = [random.randint(1, 10) for _ in range(num)]
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new_expression = expression
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for i, num in enumerate(numbers):
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placeholder = f'n[{i}]'
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new_expression = re.sub(rf'\b{n[i]}(\W|$)', str(num), new_expression)
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# Evaluate the result
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return eval(new_expression)
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def parse_expression(expression):
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"""Parse an algebraic expression and determine the required number of numbers"""
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count_n = 0
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i = 0
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for char in expression:
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if char == 'n' and (i+1 < len(expression) and expression[i+1] == '['):
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count_n += 1
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i += 1
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return count_n
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def main():
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expression = input("Enter an algebraic structure (e.g., -(+)): ")
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# Handle the empty string case by providing a default expression
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if not expression:
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expression = '-(+)'
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num_needed = parse_expression(expression)
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result = calculate(expression, num_needed)
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print(f"Generated calculation: {expression}")
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print(f"Result: {result}")
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if __name__ == "__main__":
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main()
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