| 1 | ○ | Create a Figure (OO API) | Easy |
| 2 | ○ | Line Plot | Easy |
| 3 | ○ | Titled & Labeled Line Plot | Easy |
| 4 | ○ | Two Lines with a Legend | Medium |
| 5 | ○ | Scatter Plot | Easy |
| 6 | ○ | Vertical Bar Chart | Medium |
| 7 | ○ | Horizontal Bar Chart | Medium |
| 8 | ○ | Histogram | Medium |
| 9 | ○ | 2×2 Subplot Grid | Medium |
| 10 | ○ | Side-by-Side Plots | Hard |
| 11 | ○ | Plot a Pandas Series | Medium |
| 12 | ○ | Bar Chart from a DataFrame | Hard |
| 13 | ○ | Set the Figure Size | Medium |
| 14 | ○ | Horizontal Reference Line | Easy |
| 15 | ○ | Vertical Reference Line | Easy |
| 16 | ○ | Shade an X Interval | Medium |
| 17 | ○ | Shade a Y Interval | Medium |
| 18 | ○ | Grouped Bar Chart | Medium |
| 19 | ○ | Stacked Bar Chart | Medium |
| 20 | ○ | 100% Stacked Bar Chart | Hard |
| 21 | ○ | Sorted Horizontal Bar Chart | Medium |
| 22 | ○ | Positive and Negative Bars | Medium |
| 23 | ○ | Stem Plot | Medium |
| 24 | ○ | Histogram With Explicit Bin Edges | Medium |
| 25 | ○ | Normalized Histogram | Medium |
| 26 | ○ | Two Overlaid Histograms | Medium |
| 27 | ○ | Cumulative Histogram | Medium |
| 28 | ○ | Box Plot | Easy |
| 29 | ○ | Box Plots Side by Side | Medium |
| 30 | ○ | Horizontal Box Plot | Easy |
| 31 | ○ | Empirical CDF | Medium |
| 32 | ○ | Scatter by Category | Medium |
| 33 | ○ | Actual vs Predicted | Medium |
| 34 | ○ | ROC Curve | Medium |
| 35 | ○ | Three Stacked Panels | Medium |
| 36 | ○ | Mixed 2x2 Dashboard | Medium |
| 37 | ○ | Grid Sized to the Data | Hard |
| 38 | ○ | Uneven Mosaic Layout | Hard |
| 39 | ○ | Plot a Dated Series | Medium |
| 40 | ○ | Markers on a Line | Easy |
| 41 | ○ | Dashed Line of a Given Width | Easy |
| 42 | ○ | Grid Lines | Easy |
| 43 | ○ | Set the Axis Limits | Easy |
| 44 | ○ | Ticks at Chosen Positions | Easy |
| 45 | ○ | Name the Ticks | Medium |
| 46 | ○ | Legend With a Title | Easy |
| 47 | ○ | Text at a Data Point | Easy |
| 48 | ○ | Text in the Corner | Medium |
| 49 | ○ | Annotate the Maximum | Medium |
| 50 | ○ | Percentage Tick Labels | Medium |
| 51 | ○ | Thousands Separators on the Axis | Medium |
| 52 | ○ | Logarithmic Y Axis | Medium |
| 53 | ○ | Log-Log Plot | Medium |
| 54 | ○ | Rank 1 at the Top | Easy |
| 55 | ○ | Equal Aspect Ratio | Medium |
| 56 | ○ | Remove the Top and Right Spines | Medium |
| 57 | ○ | Value Labels on Bars | Medium |
| 58 | ○ | Step Plot | Medium |
| 59 | ○ | Pie Chart With Percentages | Easy |
| 60 | ○ | Explode the Largest Slice | Medium |
| 61 | ○ | Stacked Area Plot | Medium |
| 62 | ○ | Shade Between Two Curves | Medium |
| 63 | ○ | Shade Only Where One Curve Leads | Hard |
| 64 | ○ | Violin Plot | Medium |
| 65 | ○ | Means With Error Bars | Medium |
| 66 | ○ | Asymmetric Error Bars | Hard |
| 67 | ○ | Confidence Interval Band | Medium |
| 68 | ○ | Scatter With Variable Marker Size | Medium |
| 69 | ○ | Scatter Coloured by a Value | Medium |
| 70 | ○ | Scatter With a Labelled Colorbar | Medium |
| 71 | ○ | Two-Dimensional Histogram | Medium |
| 72 | ○ | Hexbin Density Plot | Medium |
| 73 | ○ | Matrix as a Heatmap | Medium |
| 74 | ○ | Annotated Heatmap | Hard |
| 75 | ○ | Labelled Correlation Matrix | Hard |
| 76 | ○ | Contour Lines | Medium |
| 77 | ○ | Filled Contour Plot | Medium |
| 78 | ○ | Label the Contour Lines | Hard |
| 79 | ○ | Gaps for Missing Data | Medium |
| 80 | ○ | One Tick per Month | Hard |
| 81 | ○ | One Title for the Whole Figure | Easy |
| 82 | ○ | Shared Axis Labels | Medium |
| 83 | ○ | One Legend for the Whole Figure | Hard |