B

Task/Box-the-compass/Python/box-the-compass.py

@@ -0,0 +1,25 @@
+majors   = 'north east south west'.split()
+majors   *= 2 # no need for modulo later
+quarter1 = 'N,N by E,N-NE,NE by N,NE,NE by E,E-NE,E by N'.split(',')
+quarter2 = [p.replace('NE','EN') for p in quarter1]
+
+def degrees2compasspoint(d):
+    d = (d % 360) + 360/64
+    majorindex, minor = divmod(d, 90.)
+    majorindex = int(majorindex)
+    minorindex  = int( (minor*4) // 45 )
+    p1, p2 = majors[majorindex: majorindex+2]
+    if p1 in {'north', 'south'}:
+        q = quarter1
+    else:
+        q = quarter2
+    return q[minorindex].replace('N', p1).replace('E', p2).capitalize()
+
+if __name__ == '__main__':
+    for i in range(33):
+        d = i * 11.25
+        m = i % 3
+        if   m == 1: d += 5.62
+        elif m == 2: d -= 5.62
+        n = i % 32 + 1
+        print( '%2i %-18s %7.2f°' % (n, degrees2compasspoint(d), d) )