1 | initial version |

If you want a more precise answer, it is really important to provide a concrete example of `L`

and `M`

you want to deal with, so that we can test on them and show explicit behaviors.

Anyway, here is a possible way (guessing that `a`

is a generator of `L`

and `b`

is a generator of `M`

):

```
sage: L.hom([b], M)
```

Note that the Python variable `b`

should be the name of the generator `b`

of `M`

. If it is not already the case, you can obtain it by doing first:

```
sage: M.inject_variables()
```

or

```
sage: b = M.gen()
```

2 | No.2 Revision |

~~If you want a more precise answer, it is really important to provide a concrete example of ~~`L`

and `M`

you want to deal with, so that we can test on them and show explicit behaviors.

Anyway, here Here is a possible way (guessing that `a`

is a generator of `L`

and `b`

is a generator of `M`

):

```
sage: L.hom([b], M)
```

Note that the Python variable `b`

should be the name of the generator `b`

of `M`

. If it is not already the case, you can obtain it by doing first:

```
sage: M.inject_variables()
```

or

```
sage: b = M.gen()
```

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