| 1234567891011121314 |
- from sympy.core.symbol import symbols
- from sympy.codegen.abstract_nodes import List
- def test_List():
- l = List(2, 3, 4)
- assert l == List(2, 3, 4)
- assert str(l) == "[2, 3, 4]"
- x, y, z = symbols('x y z')
- l = List(x**2,y**3,z**4)
- # contrary to python's built-in list, we can call e.g. "replace" on List.
- m = l.replace(lambda arg: arg.is_Pow and arg.exp>2, lambda p: p.base-p.exp)
- assert m == [x**2, y-3, z-4]
- hash(m)
|
