Bar Chart Plotting

#count frequency distribution in a range of scores

import random
import matplotlib.pyplot as plot

# count number of specified items in a list

def count(value, data):
    total = 0
    for item in data:
        if item==value:
            total += 1
    return total

scores = []
score_frequency = []

# seed the scores list
for x in range (0, 30):
  scores.append(random.randint(0, 10))

# now count frequency of each score and append to frequency list

for x in range (0, 11):
    score_frequency.append(count(x,scores))

# plot bar chart

plot.bar(range(11), score_frequency, align='center', alpha=0.5)

plot.xticks(range(11))
plot.ylabel('Score frequency')
plot.title('Scores on a quiz')
plot.savefig('Quiz_Chart.png')
plot.show()