Reading an excel file using Python



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, the 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:  Extract a specific cell

# 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
print(sheet.cell_value(0, 0))

Output :

'NAME'

Code #2: Extract the 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 :

4



Code #3: Extract the 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 :

3

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 the 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]

Last Updated on October 15, 2021 by admin

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