string1 = 'coding'

# opening a text file
file1 = open("geeks.txt", "r")

# setting flag and index to 0
flag = 0
index = 0

# Loop through the file line by line
for line in file1:
    index + = 1
    
    # checking string is present in line or not
    if string1 in line:
        
    flag = 1
    break
        
# checking condition for string found or not
if flag == 0:
print('String', string1 , 'Not Found')
else:
print('String', string1, 'Found In Line', index)

# closing text file    
file1.close()