[Solved] What is the effect of adding plt.fill_between(x, y1, y2, color='skyblue', alpha=0.5) in a plot? — Ans: It fills the area between y1 and y2 curves with a semi-transparent color | Matplotlib

Matplotlib - Seaborn Integration

What is the effect of adding plt.fill_between(x, y1, y2, color='skyblue', alpha=0.5) in a plot?

AIt adds grid lines with skyblue color

BIt fills the area between y1 and y2 curves with a semi-transparent color

CIt creates a bar chart with skyblue bars

DIt plots two separate lines y1 and y2

Step-by-Step Solution

Solution:

Step 1: Understand plt.fill_between()
This function fills the area between two curves y1 and y2 along x with a specified color and transparency.
Step 2: Analyze the options
It fills the area between y1 and y2 curves with a semi-transparent color correctly describes the fill effect. Other options describe unrelated plot features.
Final Answer:
It fills the area between y1 and y2 curves with a semi-transparent color -> Option B
Quick Check:
fill_between = shaded area between curves [OK]

Quick Trick: Use fill_between to shade between two lines [OK]

Common Mistakes:

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What is the effect of adding plt.fill_between(x, y1, y2, color='skyblue', alpha=0.5) in a plot?