9 examples of 'how to find the average of a list in python' in Python

74
def average(item):
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    # This sums all the items of a parameter, in this program's case the parameters are lists.
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    summing = sum(item)
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    # This counts the number of items in the lists.
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    counting = len(item)
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    # This divides the total sum by the amount of items.
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    result = summing / counting
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    # This returns the average.
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    return result

104
def test_averageOnList(self):
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    items = [0, 8, 4, 10]
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    res = BlocklyMethods.averageOnList(items)
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    self.assertEqual(5.5, res)

59
def average(average_window, data):
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    window = []
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    newdata = []
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    for v in data:
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        window.append(v)
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        if len(window) == average_window:
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            newdata.append(sum(window)/average_window)
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            del window[0]
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    return newdata

36
def average(a,b):
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    return tuple(0.5*(a[i]+b[i]) for i in range(len(a)))

11
def avg(l):
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    """
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    Returns the average between list elements
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    """
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    return (sum(l)/float(len(l)))

159
def mean_list(x, y):
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    res = []
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    for i, j in zip(x, y):
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        res.append(round(mean(i, j), 3))
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    return res

220
def getAverage(seq):
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    """
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    Finds the average of 
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    >>> getAverage(['3', 9.4, '0.8888', 5, 1.344444, '3', '5', 6, '7'])
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    4.033320571428571
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    """
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    return sum(seq) / len(seq)

1
def mean(lst):
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	# FASTER!!!!!
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    return sum(lst)/len(lst)

17
def variance(lst, avg):
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    var_list = []
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    for num in lst:
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        var_list.append((num - avg)**2)
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    variance = sum(var_list) / len(var_list)
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    return variance