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# Python | Excel File Comparison

• Difficulty Level : Medium
• Last Updated : 09 Sep, 2019

Given Two Excel Files, We want to compare the values of each column row-wise after sorting the values and print the changed column name and row number and values change.

```Input :
Two Excel files

Output :
Column name : 'location' and Row Number : 0
Column name : 'location' and Row Number : 3
Column name : 'date' and Row Number     : 1

```

Code : Python code for comparing two excel files

 `# Write Python3 code here``# importing Pandas`` ` `import` `pandas as pd`` ` `#Reading two Excel Sheets`` ` `sheet1 ``=` `pd.read_excel(r``'Book1.xlsx'``)``sheet2 ``=` `pd.read_excel(r``'Book2.xlsx'``)`` ` `# Iterating the Columns Names of both Sheets``for` `i,j ``in` `zip``(sheet1,sheet2):``    ` `    ``# Creating empty lists to append the columns values    ``    ``a,b ``=``[],[]`` ` `    ``# Iterating the columns values``    ``for` `m, n ``in` `zip``(sheet1[i],sheet2[j]):`` ` `        ``# Appending values in lists``        ``a.append(m)``        ``b.append(n)`` ` `    ``# Sorting the lists``    ``a.sort()``    ``b.sort()`` ` `    ``# Iterating the list's values and comparing them``    ``for` `m, n ``in` `zip``(``range``(``len``(a)), ``range``(``len``(b))):``        ``if` `a[m] !``=` `b[n]:``            ``print``(``'Column name : \'{}\' and Row Number : {}'``.``format``(i,m))`

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