Question 7 - Past Year - 2 Mark Questions - Chapter 2 - File Handling in Python

Last updated at April 16, 2024 by

A text file “PARA.txt” contains a paragraph. Write a function that searches for a given character and reports the number of occurrence of the character in the file.

 

Answer:

def count_alpha():

c=0

x=input("Enter character to search for: ")

f=open("PARA.txt",'r')

l=f.readlines()

for line in l:

for word in line:

for char in word:

if char == x:

c=c+1

print("Number of occurrences of "+x+" = "+str(c))

f.close()

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Transcript

Question 7 A text file “PARA.txt” contains a paragraph. Write a function that searches for a given character and reports the number of occurrence of the character in the file. declaring function count_alpha( ) Accepts a user input and assigns it to ‘x’ reading all the lines in the text file and assigning it to ‘l’ Iterating through each line in ‘l’ and assigning it to ‘line’ Iterating through each character in a word and assigning it to ‘char’ If a character matches, then increase the value of ‘c’ by 1 Invoking function count_alpha( ) Assigning a variable ‘c’ with value 0 Opening the text file in read mode and assigning it to file_object ‘f’ Iterating through each word in a line and assigning it to ‘word’ Checking if a character matches the value assigned to ‘x’ Prints the number of occurrences Closing the file Output

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Davneet Singh

Davneet Singh has done his B.Tech from Indian Institute of Technology, Kanpur. He has been teaching from the past 14 years. He provides courses for Maths, Science and Computer Science at Teachoo