How to make this Python code run? # RollDie.py """Graphing frequencies of die rolls with Seaborn.""" import matplotlib.pyplot as plt import numpy as np import random import seaborn as sns import sys # use list comprehension to create a list of rolls of a six-sided die rolls = [random.randrange(1, 7) for i in range(int(sys.argv[1]))] # NumPy uniq nue
How to make this Python code run?
# RollDie.py
"""Graphing frequencies of die rolls with Seaborn."""
import matplotlib.pyplot as plt
import numpy as np
import random
import seaborn as sns
import sys
# use list comprehension to create a list of rolls of a six-sided die
rolls = [random.randrange(1, 7) for i in range(int(sys.argv[1]))]
# NumPy uniq nue function returns unique faces and frequency of each face
values, frequencies = np.unique(rolls, return_counts=True)
title = f'Rolling a Six-Sided Die {len(rolls):,} Times'
sns.set_style('whitegrid') # white backround with gray grid lines
axes = sns.barplot(values, frequencies, palette='bright') # create bars
axes.set_title(title) # set graph title
axes.set(xlabel='Die Value', ylabel='Frequency') # label the axes
# scale y-axis by 10% to make room for text above bars
axes.set_ylim(top=max(frequencies) * 1.10)
# display frequency & percentage above each patch (bar)
for bar, frequency in zip(axes.patches, frequencies):
text_x = bar.get_x() + bar.get_width() / 2.0
text_y = bar.get_height()
text = f'{frequency:,}\n{frequency / len(rolls):.3%}'
axes.text(text_x, text_y, text,
fontsize=11, ha='center', va='bottom')
plt.show() # display graph
You need to call the script RollDie.py from command line as shown below
In the directory where the script is saved, open command line, then type
python3 RollDie.py 1000
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