Python Pandas program to reverse the order of columns in a DataFrame

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In this python pandas program, we will reverse the order of columns in a DataFrame using the pandas library.

Steps to solve the program
  1. Import pandas library as pd.
  2. Create a dataframe using pd.DataFrame().
  3. Reverse the order of columns in the dataframe using df.loc[:,::-1].
  4. Print the output.
				
					import pandas as pd
import numpy as np
d = {'Sr.no.':[1,2,3,4],'Name':['Alex','John','Peter','Klaus'],'Age':[30,27,29,33],'Salary':[50000,65000,58000,66000]}
df = pd.DataFrame(d)
print(df)
print("Reverse column order:")
print(df.loc[:,::-1])

Output :

				
					0   Sr.no.   Name  Age  Salary
0       1   Alex   30   50000
1       2   John   27   65000
2       3  Peter   29   58000
3       4  Klaus   33   66000
Reverse column order:
   Salary  Age   Name  Sr.no.
0   50000   30   Alex       1
1   65000   27   John       2
2   58000   29  Peter       3
3   66000   33  Klaus       4
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