The output of the given Python code will be:
```
Sum of 7 and 13 is 20
```
Explanation:

- The variables `a` and `b` are assigned the values of 7 and 13, respectively.
- The function `sum(a, b)` is defined to take two arguments `a` and `b`, and returns their sum.
- The `print` function is used to write a formatted string to the console.
spam fails_task lang_mismatch pii not_appropriate hate_speech sexual_content quality toxicity humor helpfulness creativity violence