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Averages/Arithmetic mean: Difference between revisions
→{{header|Python}}: Works with 3.0
(→{{header|Python}}: fsum tracks multiple partial sums) |
(→{{header|Python}}: Works with 3.0) |
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=={{header|Python}}==
{{works with|Python|3.0}}.<br>{{works with|Python|2.6}}<br>
Uses fsum which tracks multiple partial sums to avoid losing precision
<lang python>from math import fsum
def average(x):
return fsum(x)/float(len(x)) if x else 0
print (average([3,1,4,1,5,9]))
print (average([1e20,3,1,4,1,5,9,-1e20]))</lang>
Output:
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