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def toi(cm):   #复数处理函数，正文第28行
    c=[]
    s=False
    d=False
    if cm.real==0:
        s=True
    if cm.imag==0:
        d=True
    cm=str(cm)
    for i in range(len(cm)):
        if cm[i]=='j':
            c.append('i')
            continue
        c.append(cm[i])
    if s and d:
        c=['(','0',')']
    else:
        if s:
            while '+' in c or '-' in c:
                del c[1]
        if d:
            while '+' in c or '-' in c:
                del c[-2]
    return(''.join(c))

z=1j 
print(toi(z**z))

！woc居然是个实数