使用Python程序计算钢琴88个键的音高

x = 440 / 16 = 27.5

x = pow(2, 1/12)=1.0594630943592953

# 钢琴键盘chenqionghe
keyboard = {
    "大字二组": ['A2', 'A2#', 'B2'],
    "大字一组": ['C1', 'C1#', 'D1', 'D1#', 'E1', 'F1', 'F1#', 'G1', 'G1#', 'A1', 'A1#', 'B1'],
    "大字组": ['C', 'C#', 'D', 'D#', 'E', 'F', 'F#', 'G', 'G#', 'A', 'A#', 'B'],
    "小字组": ['c', 'c#', 'd', 'd#', 'e', 'f', 'f#', 'g', 'g#', 'a', 'a#', 'b'],
    "小字一组": ['c1', 'c1#', 'd1', 'd1#', 'e1', 'f1', 'f1#', 'g1', 'g1#', 'a1', 'a1#', 'b1'],
    "小字二组": ['c2', 'c2#', 'd2', 'd2#', 'e2', 'f2', 'f2#', 'g2', 'g2#', 'a2', 'a2#', 'b2'],
    "小字三组": ['c3', 'c3#', 'd3', 'd3#', 'e3', 'f3', 'f3#', 'g3', 'g3#', 'a3', 'a3#', 'b3'],
    "小字四组": ['c4', 'c4#', 'd4', 'd4#', 'e4', 'f4', 'f4#', 'g4', 'g4#', 'a4', 'a4#', 'b4'],
    "小字五组": ['c5']
}

keybord_data={k: [*v, *[""]*(12-len(v))] for k, v in keyboard.items()}
df = pd.DataFrame(keybord_data)

# python
data = {}

start = 440 / 16
loop = math.pow(2, 1 / 12)
i = 0
for groupName, group in keyboard.items():
    for name in group:
        if name == "A2":
            current = start
        else:
            current = current * loop
        data[name] = name + ": " + str(round(current,3))
        i = i + 1

df.replace(data)