# PANDAS: get column number from colomn name<br /> dataframe.columns.get_loc(“<col_name>”)<br />

dfnew = df.select_dtypes(include=np.number)

import pandas as pd<br /> df = pd.DataFrame({“pear”: [1,2,3], “apple”: [2,3,4], “orange”: [3,4,5]})</p> <p>len(df.columns)<br /> 3

dfnew = df._get_numeric_data()

dfName.select_dtypes(exclude=[‘object’]).columns.tolist()

### first method ###<br /> len(df.columns)<br /> ### second method ###<br /> df.shape[1]

df.columns

len(df.columns)

In [45]: df = DataFrame({“pear”: [1,2,3], “apple”: [2,3,4], “orange”: [3,4,5]})</p> <p>In [46]: df.columns<br /> Out[46]: Index([apple, orange, pear], dtype=object)</p> <p>In [47]: df.columns.get_loc(“pear”)<br /> Out[47]: 2

df.shape[1]