Pandas Excel: Sort the records by the hire_date column

Last update on May 28 2022 13:37:16 (UTC/GMT +8 hours)

Pandas: Excel Exercise-16 with Solution

Write a Pandas program to import given excel data (employee.xlsx ) into a Pandas dataframe and to sort the records by the hire_date column. Go to Excel data

Sample Solution:

Python Code :

import pandas as pd
import numpy as np
df = pd.read_excel('E:\employee.xlsx')
result = df.sort_values('hire_date')
result

Sample Output:

    emp_id   first_name   last_name  hire_date
2      102          Lex     De Haan 2001-01-13
9      109       Daniel      Faviet 2002-08-16
8      108        Nancy   Greenberg 2002-08-17
14     114          Den    Raphaely 2002-12-07
15     115    Alexander        Khoo 2003-05-18
0      100       Steven        King 2003-06-17
5      105        David      Austin 2005-06-25
17     117        Sigal      Tobias 2005-07-24
1      101        Neena     Kochhar 2005-09-21
10     110         John        Chen 2005-09-28
11     111       Ismael     Sciarra 2005-09-30
16     116       Shelli       Baida 2005-12-24
3      103    Alexander      Hunold 2006-01-03
6      106        Valli   Pataballa 2006-02-05
12     112  Jose Manuel       Urman 2006-03-07
18     118          Guy      Himuro 2006-11-15
7      107        Diana     Lorentz 2007-02-07
4      104        Bruce       Ernst 2007-05-21
19     119        Karen  Colmenares 2007-08-10
13     113         Luis        Popp 2007-12-07

Excel Data:

employee.xlsx:

Sheet-1

Sheet-2

Sheet-3

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Previous: Write a Pandas program to import given excel data (employee.xlsx ) into a Pandas dataframe and find a list of employees where hire_date> 01-01-07.
Next: Write a Pandas program to import given excel data (employee.xlsx ) into a Pandas dataframe and find a list of employees where hire_date between two specific month and year.

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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