get 2 highest value of each column pandas code example

Example 1: minimum and max value in all columns pandas

#for multiple columns 
min_vals = df[["A","B","C"]].min() #can add how much ever columns
max_vals = df[["D","E","F"]].max() #can add how much ever columns

#for single column
min_val = df["Column"].min() 
max_val = df["Column"].max() 

#to refer to all columns
min_val = df[:].min() 
max_val = df[:].max()

Example 2: max of two columns pandas

df["C"] = df[["A", "B"]].max(axis=1)