Computer Science – Text Files

Text File – Exam based questions

Write a function in python to count the number Write a user defined function countwords() to
lines in a text file ‘Country.txt’ which is starting display the total number of words present in the
with an alphabet ‘W’ or ‘H’. file from a text file “Quotes.Txt”.
def count_W_H():
f = open (“Country.txt”, “r”) def countwords():
W,H = 0,0 s = open("Quotes.txt","r")
r = f.read() f = s.read()
for x in r: z = f.split ()
if x[0] == “W” or x[0] == “w”: count = 0
W=W+1 for i in z:
elif x[0] == “H” or x[0] == “h”: count = count + 1
H=H+1 print ("Total number of words:", count)
f.close()
print (“W or w :”, W)
print (“H or h :”, H)

Write a user defined function countwords() to Write a function COUNT_AND( ) in Python to read
display the total number of words present in the the text file “STORY.TXT” and count the number
file from a text file “Quotes.Txt”. of times “AND” occurs in the file. (include
def countwords(): AND/and/And in the counting)
s = open("Quotes.txt","r") def COUNT_AND( ):
f = s.read() count=0
z = f.split () file=open(‘STORY.TXT','r')
count = 0 line = file.read()
for i in z: word = line.split()
count = count + 1 for w in word:
print ("Total number of words:", count) if w ==’AND’:
count=count+1
print(count)
file.close()

Write a function DISPLAYWORDS( ) in python to Write a function that counts and display the
display the count of words starting with “t” or “T” number of 5 letter words in a text file “Sample.txt
in a text file ‘STORY.TXT’. def count_words( ):
def COUNT_AND( ): c=0
count=0 f = open("Sample.txt")
file=open(‘STORY.TXT','r') line = f.read()
line = file.read() word = line.split()
word = line.split() for w in word:
for w in word: if len(w) == 5:
if w[0] ==’t’ or w[0]==’T’: c += 1
count=count+1 print(c)
print(count)
file.close()

Write a function that counts and display the Write a function that counts and display the
number of 5 letter words in a text file “Sample.txt number of 5 letter words in a text file “Sample.txt
def count_words( ): def count_words( ):
c=0 c=0
f = open("Sample.txt") f = open("Sample.txt")