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Pandas Excel: Import three datasheets from a given excel data into a single dataframe and export the result into new Excel file

Pandas: Excel Exercise-25 with Solution

Write a Pandas program to import three datasheets from a given excel data (employee.xlsx ) into a single dataframe and export the result into new Excel file. Go to Excel data

Note: Structure of the three datasheets are same.

Sample Solution:

Python Code :

import pandas as pd
import numpy as np
df1 = pd.read_excel('E:\employee.xlsx',sheet_name=0)
df2 = pd.read_excel('E:\employee.xlsx',sheet_name=1)
df3 = pd.read_excel('E:\employee.xlsx',sheet_name=2)
df = pd.concat([df1, df2, df3])
df.to_excel('e:\output.xlsx', index=False)

Excel Data:

employee.xlsx:

Sheet-1


Sheet-2


Sheet-3


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Previous: Write a Pandas program to import given excel data (coalpublic2013.xlsx ) into a dataframe and draw a bar plot comparing year, MSHA ID, Production and Labor_hours of first ten records.

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Python: Tips of the Day

Find current directory and file's directory:

To get the full path to the directory a Python file is contained in, write this in that file:

import os 
dir_path = os.path.dirname(os.path.realpath(__file__))

(Note that the incantation above won't work if you've already used os.chdir() to change your current working directory, since the value of the __file__ constant is relative to the current working directory and is not changed by an os.chdir() call.)

To get the current working directory use

import os
cwd = os.getcwd()

Documentation references for the modules, constants and functions used above:

  • The os and os.path modules.
  • The __file__ constant
  • os.path.realpath(path) (returns "the canonical path of the specified filename, eliminating any symbolic links encountered in the path")
  • os.path.dirname(path) (returns "the directory name of pathname path")
  • os.getcwd() (returns "a string representing the current working directory")
  • os.chdir(path) ("change the current working directory to path")

Ref: https://bit.ly/3fy0R6m