Update README.md

README.md

@@ -94,4 +94,5 @@ Non functional (expected values are $`5.085`$ and $`-0.1156`$)
 | Python   |            3.6.4 | matplotlib 2.2.3 statsmodels 0.9.0 numpy 1.15.2 pandas 0.22.0 seaborn 0.8.1 | Jupyter | Windows 10.0.19043 N/A build 19043 x64 | Identical | Identical | Identical | Similar | Similar | [ipynd](https://app-learninglab.inria.fr/moocrr/jupyter/user/f039ad8f2e156339cf3f3470f4c914b1/notebooks/work/module4/src_Python3_challenger.ipynb) | f039ad8f2e156339cf3f3470f4c914b1 | 
 | R        |            4.0.3 | ggplot2_3.3.2                                                  | Rstudio | Windows 10 x64 (build 19043) | Identical | Identical | Identical | Identical | Identical | [rmd](https://app-learninglab.inria.fr/moocrr/gitlab/a1f9c33f2a123dfe3db955fbc8171db4/mooc-rr/blob/master/module4/exo.rmd) [html](https://app-learninglab.inria.fr/moocrr/gitlab/a1f9c33f2a123dfe3db955fbc8171db4/mooc-rr/blob/master/module4/exo.html) | a1f9c33f2a123dfe3db955fbc8171db4
 | R        |            4.1.2 | ggplot2_3.3.5                                                  | Rstudio | Windows 10 x64 (build 19043) | Identical | Identical | Identical | Identical | Identical | [rmd](https://app-learninglab.inria.fr/moocrr/gitlab/23f4754674d3575f868479865ddf701f/mooc-rr/blob/master/module4/MonAnalyse.Rmd) [html](https://app-learninglab.inria.fr/moocrr/gitlab/23f4754674d3575f868479865ddf701f/mooc-rr/blob/master/module4/MonAnalyse.html) | 23f4754674d3575f868479865ddf701f
-| Python   |            3.7.11 | matplotlib 3.4.2 statsmodels 0.12.2 numpy 1.20.3 pandas 1.3.2 seaborn 0.11.2 | Jupyter | Windows 10.0.19041  | Identical | Identical | Identical | Identical | Identical | [ipynb](https://app-learninglab.inria.fr/moocrr/gitlab/2b626fffb391486fd04ef34b8ac9fc42/mooc-rr/blob/e9dca95f1bea8572712c81717f218c611458787d/module4/src_Python3_challenger.ipynb) | @https://app-learninglab.inria.fr/moocrr/gitlab/2b626fffb391486fd04ef34b8ac9fc42 | 
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+| Python   |            3.7.11 | matplotlib 3.4.2 statsmodels 0.12.2 numpy 1.20.3 pandas 1.3.2 seaborn 0.11.2 | Jupyter | Windows 10.0.19041  | Identical | Identical | Identical | Identical | Identical | [ipynb](https://app-learninglab.inria.fr/moocrr/gitlab/2b626fffb391486fd04ef34b8ac9fc42/mooc-rr/blob/e9dca95f1bea8572712c81717f218c611458787d/module4/src_Python3_challenger.ipynb) | @https://app-learninglab.inria.fr/moocrr/gitlab/2b626fffb391486fd04ef34b8ac9fc42 | 
+| R        |            3.6.3 | ggplot2_3.3.5                                                  | Rstudio | MacOS 10.12.6 | Identical | Identical | Identical | Identical | Identical | [html](https://app-learninglab.inria.fr/moocrr/gitlab/33deaff202287a50a0e0f4ffa2cb0240/mooc-rr/blob/460360710d68625b0ec8946caa1d91abadf31da1/module4/mod4_exo1_challenger.html) | 33deaff202287a50a0e0f4ffa2cb0240 |
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