### Evaluating an expression string

For some recent computations, I devolved some initial calculus to the Maxima sub-system, and I've ended up with a list `eqs`

of Maxima expressions. I want to transfer this list out of Maxima. This works:

```
sage: eqs2 = [repr(xx) for xx in eqs]
```

but gives me strings, which are not useful. And this:

```
sage: eqs2 = [sage_eval(repr(xx)) for xx in eqs]
```

returns the error message

```
NameError: name 'a43' is not defined
```

which is strange, as it is defined as a variable:

```
sage: a43
a43
```

I could create a list of local variables:

```
vars = {'a21':a21,'a31':a31}
```

and so on, and use

```
sage_eval(xx,vars)
```

but as there are 20 more variables, this would be tedious.

Is there a better way?