Is it possible to demonstrate the program with the text file and the output printed in the text files created using class and dict.

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
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Is it possible to demonstrate the program with the text file and the output printed in the text files created using class and dict.

example 

def canConstruct(ransomNote: str, magazine: str) -> bool:
        if len(ransomNote) > len(magazine):
            return False
        
        magazinedict = dict()
        for letter in magazine:
            if letter not in magazinedict:
                magazinedict[letter] = 1
            else:
                magazinedict[letter] += 1
        
        
        for letter in ransomNote:
            if letter not in magazinedict:
                return False
            if letter in magazinedict and magazinedict[letter] <= 0:
                return False
            magazinedict[letter] -= 1
        
        return True


with open('lab1_input.txt') as text:
    for line in text.readlines():
        strings = list(map(str,line.split()))
        print(strings, end="\t")
        ransomNote = strings[0]
        magazine = strings[1]

        output = canConstruct(ransomNote,magazine)
        print('-\t'+str(output))
        outfile = open('lab1_output.txt', 'a')
        outfile.write(str(output)+'\n')
        

outfile.close()     

 

 

Expert Solution
Step 1

This is very simple.

This is how we can demonstrate the program with the text file and output printed in the text files.

----------------------------------------------------- Python ---------------------------------------------------------

def canConstruct(ransomNote: str, magazine: str) -> bool:
        if len(ransomNote) > len(magazine):
            return False
        magazinedict = dict()
        for letter in magazine:
            if letter not in magazinedict:
                magazinedict[letter] = 1
            else:
                magazinedict[letter] += 1

        for letter in ransomNote:
            if letter not in magazinedict:
                return False
            if letter in magazinedict and magazinedict[letter] <= 0:
                return False
            magazinedict[letter] -= 1
        
        return True

with open('lab1_input.txt', 'r') as text:
    for line in text.readlines():
        strings = list(map(str, line.split()))
        print(strings, end="\t")
        ransomNote = strings[0]
        magazine = strings[1]

        output = canConstruct(ransomNote, magazine)
        print('-\t'+str(output))
            for line in text :
               outfile = open('lab1_output.txt', 'a')
               outfile.writelines(str(output)+'\n')

outfile.close()

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