import pandas as pd

df = pd.DataFrame({'ID':(1,2,3),'Name':('Ring','Nick','Victor')})

df.to_excel('E:/pandas玩轉excel_資料分析/課程01/output.xlsx')
print('Done!')

將ID這列 設定  為索引 

import pandas as pd

df = pd.DataFrame({'ID':(1,2,3),'Name':('Ring','Nick','Victor')})
df = df.set_index('ID')

# print(df)

df.to_excel('E:/pandas玩轉excel_資料分析/課程01/output.xlsx')
print('Done!')