Check Column Data Types in a Pandas DataFrame

Code description

This code snippet provide examples of checking column data types in a DataFrame using dtype and dtypes.

Sample output:

>>> print(df.dtypes)
a     int64
b    object
dtype: object
>>> print(df.a.dtype)
int64

Code snippet

import pandas as pd

data = {}
data['A'] = [1,2,3,4,5]
data['B'] = ['A','B','C','D','E']
df = pd.DataFrame(data)
print(df)

# Check all column types
print(df.dtypes)

# Check data type of a certain column
print(df.a.dtype)