iframe-proxy | Sunbelt Computer Software

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"""

Find median of a list of numbers.

Read more about medians:

https://en.wikipedia.org/wiki/Median

"""

def median(nums):

"""Find median of a list of numbers."""

# Sort list

sorted_list = sorted(nums)

print("List of numbers:")

print(sorted_list)

# Is number of items in list even?

if len(sorted_list) % 2 == 0:

# Find index for first middle value.

mid_index_1 = len(sorted_list) / 2

# Find index for second middle value.

mid_index_2 = -(len(sorted_list) / 2) - 1

# Divide middle values by 2 to get average (mean).

med = (sorted_list[mid_index_1] + sorted_list[mid_index_2]) / float(2)

return med # Return makes `else:` unnecessary.

# Number of items is odd.

mid_index = (len(sorted_list) - 1) / 2

# Middle index is median.

med = sorted_list[mid_index]

return med

def main():

"""Call average module to find median of a specific list of numbers."""

print("Odd number of numbers:")

print(median([2, 4, 6, 8, 20, 50, 70]))

print("Even number of numbers:")

print(median([2, 4, 6, 8, 20, 50]))

if __name__ == '__main__':

main()

Sunbelt Computer Software