import math
def angle(x, y):
deg = math.degrees(math.atan2(y, x))
return deg % 360
print(angle( 1, 0)) # 0
print(angle( 1, 1)) # 45
print(angle( 0, 1)) # 90
print(angle(-1, 1)) # 135
print(angle(-1, 0)) # 180
print(angle(-1, -1)) # 225
print(angle( 0, -1)) # 270
print(angle( 1, -1)) # 315
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