W3School TIY Editor

import pandas as pd data = { "age": ["fifty", 40, 30], "qualified": ["No", True, False] } df = pd.DataFrame(data) print("Original DataFrame:") print(df) print("Original dtypes:") print(df.dtypes) # 删除两列的第一行: df = df.iloc[1:] print("New DataFrame:") print(df) newdf = df.infer_objects() print("New dtypes:") print(newdf.dtypes)