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)