how to keep specific columns in pandas code example

Example 1: how to keep only certain columns in dataframe

# Using DataFrame.drop
df.drop(df.columns[[1, 2]], axis=1, inplace=True)

# drop by Name
df1 = df1.drop(['B', 'C'], axis=1)

# Select the ones you want
df1 = df[['a','d']]

Example 2: python: select specific columns in a data frame

df = df[["Column_Name1", "Column_Name2"]]