Question

Please write the following code as simple as possible in python:

You will need to define a function with four arguments. Here is what I used:

> def find_matches(file1.txt, output1.txt, strings, value):

file1.txt will contain a list of various strings. The program must copy from the first argument, and it should be written in the second argument (the second file, "output1.txt"). The third and fourth arguments will determine which specific strings will be copied over to the second file. For example, the third argument will have specific strings (i.e., "abc"), and the fourth argument will either have True or False. If the argument presented is "abc" and True, then every word with the string "abc" must be copied over to the second file. In addition, the function should return the number of words copied from the list. It is important to note that the information within the second file should be erased every time the script is ran. The code should not include .replace or a .find. Please refer to the example below.

Input:

def find_matches(file1.txt, output1.txt, "bc", True)

first argument ("the information in file1.txt):

> abcdef

> ed

second argument (the new file created output1.txt)

> abcdef

*if the function was false, then the output1.txt should have stored line (2) rather than line (1)

the function should lastly output because only one item was copied:

> 1

Answer 1

Python code:

#defining find_matches function

def find_matches(file1,output1,strings,value):

  #opening file file1

  f=open(file1,"r")

  #reading file1 to list listfile1

  listfile1=f.readlines()

  #closing file

  f.close()

  #opening file output1

  f=open(output1,"w")

  #initializing count

  count=0

  #looping through each element in listfile1

  for i in listfile1:

    #checking if the value should be written or not

    if(strings in i and value==True):

      #writing value to output file

      f.write(i)

      #incrementing count

      count+=1

    #checking if the value should be written or not

    if(strings not in i and value==False):

      #writing value to output file

      f.write(i)

      #incrementing count

      count+=1

  #closes the file.

  f.close()

  #returning count

  return count

#calling find_matches function and printing result

print(find_matches("file1.txt","output1.txt","bc",True))

Screenshot of code:

1 2 3 4. л 6 7 8 9 10 11 12 13 14 15 16 #defining find_matches function def find_matches (filel, outputi, strings, value): #opening file file1 f=open(file1,"r") #reading filei to list listfile1 listfile1=f.readlines() #closing file f.close() #opening file output1 f=open(output1, "w") #initializing count count=0 #looping through each element in listfile1 for i in listfile1: #checking if the value should be written or not if(strings in i and value==True): #writing value to output file f.write(i) #incrementing count count+=1 #checking if the value should be written or not if(strings not in i and value==False): #writing value to output file f.write(i) #incrementing count count+=1 #closes the file. f.close() #returning count return count #calling find_matches function and printing result print(find_matches("file1.txt", "outputi.txt", "bc", True)) 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32

file1.txt

file1.txt 1 abcdef ed 2

output1.txt

output1.txt 1 abcdef

Output:

1