hello experts solve this

daf add5 (x) return x+5 dof dotwrite (ast) enama - gatlodanama ) labal-symbol sym nama.got (int (ast [01),ast [0]) print " %s [label="%s" % (nodename ' label), if astl11 striP) print .: %s*],' % ast [1 alse print ' lsa print children[1 for in n, childenumerate (ast [1:]): childran.appand (dotwrita (child)) % nodename print for in namechildren print -es, % name daf add5 (x) return x+5 dof dotwrite (ast) enama - gatlodanama ) labal-symbol sym nama.got (int (ast [01),ast [0]) print " %s [label="%s" % (nodename ' label), if astl11 striP) print .: %s*],' % ast [1 alse print ' lsa print children[1 for in n, childenumerate (ast [1:]): childran.appand (dotwrita (child)) % nodename print for in namechildren print -es, % name