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16 lines
306 B
Python
16 lines
306 B
Python
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#! /usr/bin/env python3
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from sympy import symbols, expand, factor
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x, y = symbols('x y')
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expr = x + 2*y
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expanded_expr = expand(x*expr)
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print(expanded_expr)
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assert str(expanded_expr) == "x**2 + 2*x*y"
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factored_expr = factor(expanded_expr)
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print(factored_expr)
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assert str(factored_expr) == "x*(x + 2*y)"
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