Updated getting_started.py example to remove multi-line command usage

[tleonhardt]

Updated getting_started.py example to remove multi-line command usage.

The rational here is that using multiline commands is not particularly common and only recommended for niche use cases.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 99.61%. Comparing base (e237946) to head (dd953ef).

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #1713   +/-   ##
=======================================
  Coverage   99.61%   99.61%           
=======================================
  Files          23       23           
  Lines        5906     5906           
=======================================
  Hits         5883     5883           
  Misses         23       23           

Flag	Coverage Δ
unittests	99.61% <ø> (ø)

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