Plot a normal distribution - Python:

```
import matplotlib.pyplot as plt
import numpy as np
def plot_normal_distribution(mean, std):
"""
Plot a normal distribution.
Parameters
----------
mean : float
Mean of the normal distribution.
std : float
Standard deviation of the normal distribution.
Returns
-------
None
The function plots the normal distribution and does not return anything.
"""
#create a range of x values from -4σ to 4σ with 0.01 increments
x = np.arange(mean - 4*std, mean + 4*std, 0.01)
#calculate the y values corresponding to the x values
y = (1/(std * np.sqrt(2 * np.pi))) * np.exp(-0.5 * ((x - mean)/std)**2)
#plot the x and y values
plt.plot(x, y)
#show the plot
plt.show()
#example
plot_normal_distribution(0, 1)
```

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