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#!/usr/bin/python3
# Challenge 026
#
# Task #2
# Create a script that prints mean angles of the given list of angles in degrees.
# Please read wiki page that explains the formula in details with an example.
import sys
import math
def mean(a):
# convert to radians
a = list(map(math.radians, a))
# compute sum of sin and cos
x = sum(map(math.cos, a))
y = sum(map(math.sin, a))
# compute mean
a = math.atan2(y, x)
# convert back to degrees
a = math.degrees(a)
return a
print("{:.1f}".format(mean([int(x) for x in sys.argv[1:]])))
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