Absolute Summation

Chain multiple built-in functions seamlessly.

Given a list of financial variations:
```
deltas = [-4.5, 2.1, -8.9, 1.2, -0.4]
```
You want the total absolute change.
Use a generator expression (or a loop) to take the
```
abs()
```
of every number, then
```
sum()
```
the results, and finally
```
round()
```
to 1 decimal place. Print the final result.

main.py

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