Shorten results output in docs

[bchen1116]

fix #3032

Rather than editing the output of the results themselves, I figured the better approach would be to truncate the cell output for this.

https://feature-labs-inc-evalml--3328.com.readthedocs.build/en/3328/user_guide/automl.html#Access-raw-results

[codecov]

Codecov Report

Merging #3328 (8ae2689) into main (95aa7e2) will decrease coverage by 0.7%.
The diff coverage is n/a.

@@           Coverage Diff           @@
##            main   #3328     +/-   ##
=======================================
- Coverage   99.7%   99.0%   -0.6%     
=======================================
  Files        327     327             
  Lines      31840   31840             
=======================================
- Hits       31715   31494    -221     
- Misses       125     346    +221     

Impacted Files	Coverage Δ
evalml/automl/pipeline_search_plots.py	17.9% <0.0%> (-82.1%)	⬇️
...l/tests/automl_tests/test_pipeline_search_plots.py	23.3% <0.0%> (-76.7%)	⬇️
...ests/automl_tests/test_automl_search_regression.py	74.3% <0.0%> (-20.4%)	⬇️
.../automl_tests/test_automl_search_classification.py	83.8% <0.0%> (-12.6%)	⬇️
evalml/tests/automl_tests/test_automl_utils.py	91.1% <0.0%> (-8.9%)	⬇️
...lml/tests/automl_tests/test_iterative_algorithm.py	92.3% <0.0%> (-7.7%)	⬇️
evalml/automl/utils.py	98.5% <0.0%> (-1.5%)	⬇️
evalml/automl/automl_search.py	99.6% <0.0%> (-0.1%)	⬇️
evalml/tests/automl_tests/test_automl.py	99.4% <0.0%> (-<0.1%)	⬇️

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[freddyaboulton]

Thanks @bchen1116 ! This looks good to me. If we decide we need a pprint call in more places in the docs we can invest in trying to find a way to apply the pretty-printing automatically.

[jeremyliweishih]

could we set depth=2 and then showcase just one pipelines results with:
automl.results['pipeline_results'][0]? I still think the output is rather long and takes multiple scrolls to get through.

[bchen1116]

My main worry is that depth=2 gives users very little information:

I can definitely try to combine it with your latter suggestion and see how it works!

[jeremyliweishih]

ah true that doesn't look the best.. lmk if adding more information will make it better but def not blocking!

[bchen1116]

I like the previous better. will change back!

[angela97lin]

Thanks @bchen1116! Agreed with @freddyaboulton that it could be a good idea to do this automagically if we run into it more in the future but this is great 😁