hXBSSKJr SSKJrJrJr SSKJr SrSr Sr g))rl)do_oneexhaustswitch)top_downc U(a>[[[[R/[ UR 56Q76640UD6$S$)aUFull simultaneous exact substitution. Examples ======== >>> from sympy.strategies.tools import subs >>> from sympy import Basic, S >>> mapping = {S(1): S(4), S(4): S(1), Basic(S(5)): Basic(S(6), S(7))} >>> expr = Basic(S(1), Basic(S(2), S(3)), Basic(S(4), Basic(S(5)))) >>> subs(mapping)(expr) Basic(4, Basic(2, 3), Basic(1, Basic(6, 7))) cU$)N)xs N/var/www/html/shao/venv/lib/python3.13/site-packages/sympy/strategies/tools.pysubs..s)rrmaprsubszipitems)dkwargss r rrs: BGG >c1779o >?J6JJrc J[[[[U6540UD65$)zStrategy for canonicalization. Explanation =========== Apply each rule in a bottom_up fashion through the tree. Do each one in turn. Keep doing this until there is no change. )rrr)rulesrs r canonrs" 8GFEN3>v> ??rc"[[U5$)aCApply rules based on the expression type inputs: ruletypes -- a dict mapping {Type: rule} Examples ======== >>> from sympy.strategies import rm_id, typed >>> from sympy import Add, Mul >>> rm_zeros = rm_id(lambda x: x==0) >>> rm_ones = rm_id(lambda x: x==1) >>> remove_idents = typed({Add: rm_zeros, Mul: rm_ones}) )rtype) ruletypess r typedr&s $ ""rN) rcorerrrtraverserrrrr rr r s!))& @#r