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How to add a variable to Python plt.title?
To add a varaible to Python plt.title(), we can take the following steps −
Create data points for x and y using numpy and num (is a variable) to calculate y and set this in title.
Plot x and y data points using plot() method with red color.
Set the title of the curve with variable num.
To display the figure, use show() method.
Example
import numpy as np from matplotlib import pyplot as plt plt.rcParams["figure.figsize"] = [7.00, 3.50] plt.rcParams["figure.autolayout"] = True x = np.linspace(-1, 1, 10) num = 2 y = num ** x plt.plot(x, y, c='red') plt.title(f"y=%d$^x$" % num) plt.show()
Output
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