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There are several ways to modify the arrow axes and their tick labels in a Matplotlib plot:

1. Change the style and color of the arrow axes:

# Set arrow style and color
ax.xaxis.set_ticks_position('none')  # hide x-axis arrow
ax.yaxis.set_ticks_position('none')  # hide y-axis arrow
ax.spines['bottom'].set_color('gray')  # change x-axis color
ax.spines['left'].set_color('gray')  # change y-axis color

1. Modify the tick labels:

# Set tick positions and labels
ax.set_xticks([0, 2, 4, 6, 8, 10])
ax.set_xticklabels(['0', '2', '4', '6', '8', '10'])
ax.set_yticks([0, 20, 40, 60, 80, 100])
ax.set_yticklabels(['0', '20', '40', '60', '80', '100'])

1. Rotate the tick labels:

# Rotate tick labels
plt.xticks(rotation=45)
plt.yticks(rotation=45)

1. Add a label to the arrow axes:

# Add axis labels
ax.set_xlabel('xlabel', fontsize=12)
ax.set_ylabel('ylabel', fontsize=12)

1. Change the font size of the tick labels and axis labels:

# Set font size
plt.rcParams.update({'font.size': 10})