pandas extract column code example

Example 1: python - subset specific columns name in a dataframe

columns = ['b', 'c']
df1 = pd.DataFrame(df, columns=columns)

Example 2: pandas iloc select certain columns

dataframe.iloc[:,[1,2]]

Example 3: select columns pandas

df1 = df.iloc[:,0:2] # Remember that Python does not slice inclusive of the ending index.

Example 4: get column pandas

column = df["column_name"]