# create polynomial from list of coefficients

Hey,

I created a polynomial ring object:

```
R.<x,y>=QQbar[]
```

and now I wonder how should I create a polynomial from a list of coefficients: assume that I have something like `[{x: 5, y: 4}, {x: 2, y: 0}]`

. How to transform it to "x^5 y^4 + x^2"?