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math_scores = []
for record in open('sslc1.txt'):
fields = record.split(';')
math_score = fields[5].strip()
if math_score != 'AA':
math_scores.append(int(math_score))
else:
math_scores.append(0)
# List method
print "Mean: ", mean(math_scores)
print "Median: ", median(math_scores)
print "Standard Deviation: ", std(math_scores)
# Array method
math_scores = array(math_scores)
print "Mean: ", mean(math_scores)
print "Median: ", median(math_scores)
print "Standard Deviation: ", std(math_scores)
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