pandas建立數據表及數據讀寫

import pandas as pd import numpy as np df = pd.DataFrame(np.random.randn(5, 3), index=['a', 'c', 'e', 'f', 'h'],                   columns=['one', 'two', 'three'])#建立一個數據表格 df['four'] = 'bar'#加入新的一列 d

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