def f(x):
    return x + 2

# Test routine for f
#print("Expected output:  5")
#print("Actual output:  ", f(3))
#print("Expected output:  -2")
#print("Actual output:  ", f(-4))

# Descriptive name for this function
def expected_eggs_day(chickens):
    # Assumption:  Laying breeds lay around 200/year
    # Assumption:  It's summer!
    return chickens * 200/(365-90)