仅将Dataframe构造函数与参数列一起使用：
df = pd.Dataframe(a, columns=['a'])print (df) a0 26.8540651 27.8540652 28.8540653 29.8540654 30.8540655 31.8540656 32.8540657 33.8540658 34.8540659 35.85406510 36.85406511 37.85406512 38.85406513 39.85406514 40.85406515 41.854065
