交易策略-RSI策略

def solve():
    import pandas as pd
    df = pd.read_csv(____)
    delta = df['____'].diff()
    gain = delta.where(____)
    loss = -delta.where(____)
    avg_gain = gain.rolling(____).mean()
    avg_loss = loss.rolling(____).mean()
    rs = avg_gain / avg_loss
    df['____'] = ____ - (____ / (____ + rs))
    print((____).sum())