array 0维 1维 及以上 注意0维shape不可取下标

import numpy as np
import pandas as pd
for obj in ['StrOrIntOr', [], ['element'], [[]], [[],[]]]:
    arr = np.array(obj)
    df = pd.DataFrame(
        [i, type(i)]
        for i in
        [obj, arr, arr.shape, len(arr.shape)]
    )
    df.columns = ["display", "type"]
    df.index = ["obj", "array", "shape", "dimmension"]
    display(df)