<doocs>0309.Best Time to Buy and Sell Stock with Cooldown_1.py
def maxProfit( prices: List[int]) -> int:
    f1, f2, f3 = -prices[0], 0, 0
    for price in prices[1:]:
        pf1, pf2, pf3 = f1, f2, f3
        f1 = max(pf1, pf3 - price)
        f2 = max(pf2, pf1 + price)
        f3 = max(pf3, pf2)
    return f2
def sample_funcname ( var_0 : List [ int ] ) -> int :
    var_4 , var_5 , var_6 = - var_0 [ 0 ] , 0 , 0
    for var_8 in var_0 [ 1 : ] :
        var_9 , var_10 , var_11 = var_4 , var_5 , var_6
        var_4 = max ( var_9 , var_11 - var_8 )
        var_5 = max ( var_10 , var_9 + var_8 )
        var_6 = max ( var_11 , var_10 )
    return var_5
