वैरिएबल्स में अंतर समझें

# Create column names list and same length integer list
x_names = wholesale.___
x_ix = np.arange(wholesale.shape[1])

# Plot the averages data in gray and standard deviations in orange 
plt.bar(x=x_ix-___, height=averages, color='grey', label='Average', width=0.4)
plt.bar(x=x_ix+___, height=std_devs, color='orange', label='Standard Deviation', width=0.4)

# Add x-axis labels and rotate
plt.xticks(ticks=___, labels=x_names, rotation=90)

# Add the legend and display the chart
plt.legend()
plt.___()