Reading an excel file using Python

Using xlrd module, one can retrieve information from a spreadsheet. For example, reading, writing or modifying the data can be done in Python. Also, user might have to go through various sheets and retrieve data based on some criteria or modify some rows and columns and do a lot of work.

xlrd module is used to extract data from a spreadsheet.

Command to install xlrd module :

pip install xlrd

Input File :
Sample excel file

Code #1 :

# Reading an excel file using Python 
import xlrd 
  
# Give the location of the file 
loc = ("path of file") 
  
# To open Workbook 
wb = xlrd.open_workbook(loc) 
sheet = wb.sheet_by_index(0) 
  
# For row 0 and column 0 
sheet.cell_value(0, 0) 

Output :

'NAME'

Code #2 : Extract number of rows

# Program to extract number 
# of rows using Python 
import xlrd 
  
# Give the location of the file 
loc = ("path of file") 
  
wb = xlrd.open_workbook(loc) 
sheet = wb.sheet_by_index(0) 
sheet.cell_value(0, 0) 
  
# Extracting number of rows 
print(sheet.nrows) 

Output :

Code #3 : Extract number of columns

# Program to extract number of 
# columns in Python 
import xlrd 
  
loc = ("path of file") 
  
wb = xlrd.open_workbook(loc) 
sheet = wb.sheet_by_index(0) 
  
# For row 0 and column 0 
sheet.cell_value(0, 0) 
  
# Extracting number of columns 
print(sheet.ncols) 

Output :

Code #4 : Extracting all columns name

# Program extracting all columns 
# name in Python 
import xlrd 
  
loc = ("path of file") 
  
wb = xlrd.open_workbook(loc) 
sheet = wb.sheet_by_index(0) 
  
# For row 0 and column 0 
sheet.cell_value(0, 0) 
  
for i in range(sheet.ncols): 
    print(sheet.cell_value(0, i)) 

Output :

NAME
SEMESTER
ROLL NO

Code #5 : Extract first column

# Program extracting first column 
import xlrd 
  
loc = ("path of file") 
  
wb = xlrd.open_workbook(loc) 
sheet = wb.sheet_by_index(0) 
sheet.cell_value(0, 0) 
  
for i in range(sheet.nrows): 
    print(sheet.cell_value(i, 0)) 

Output :

NAME
ALEX
CLAY
JUSTIN

Code #6 : Extract a particular row value

# Program to extract a particular row value 
import xlrd 
  
loc = ("path of file") 
  
wb = xlrd.open_workbook(loc) 
sheet = wb.sheet_by_index(0) 
  
sheet.cell_value(0, 0) 
  
print(sheet.row_values(1)) 

Output :

['ALEX', 4.0, 2011272.0]]

My Personal Notes

Jul	AUG	Sep
	21
2018	2019	2020

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