What is wrong about creating a file object using the following statement?infile = open("c:\book\test.txt", "r")
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What is wrong about creating a file object using the following statement?
infile = open("c:\book\test.txt", "r")
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- FILE* inFile = fopen("filenam.txt", "r"); Given the above code segment, which of the following would output "FILE NOT FOUND" if the file could not be opened? Group of answer choices if(inFile == NULL) { printf("FILE NOT FOUND"); } if(inFile) { printf("FILE NOT FOUND"); } if(!inFile->is_open()) { printf("FILE NOT FOUND"); } None of these ============= What does sscanf do? Group of answer choices Reads from a file Reads from a keyboard Reads from a string Writes to a screen =========== What comes first in the software development life cycle? Group of answer choices Algorithm design Identifying the problem Coding TestingIn Python do the following: Writing to Files: write code to write to a file called ‘writefile.txt’To write in a file we first have to open the file. That is what the first line should do so that Pythoncreates a file object to represent the file, and give the object the name f (variable). We use this variableto refer to the file. To write to the file, use the print statement with the optional file argument thatspecifies the file to write to. When done writing, close the file to make sure all the changes are saved.Remember, if writefile.txt already exists, its contents will be overwritten.Write code that does the following: opens a file named MyName.txt, reads the first linefrom the file and displays it, and then closes the file.
- python3. Write a pseudocode that does the following: create a file, use open(), write() method returns number of characters written, and use close() to close file.Python Question: myfile = open('sales.txt','r')Which statement is correct if the next line in a file holds the unit price of an item? A. price = float(myfile.readline()) B. price = float(sales.readline()) C. price = myfile.read() D. price = myfile.readline().rstrip() E. price = float(myfile.read())
- Question #1 The following program reads integer numbers from a file named numbers.txt. For each number, the program computes the reverse in order to check whether the number is a palindrome number or not. It then reports the results into a file named Report.txt (A palindrome is any number whose reverse is also same, e.g., 1221, 23432, 7 , 8 are palindromes, but 23489 is not). Suppose the file numbers.txt contains the following numbers: 373 11 2552 5 3561 numbers.txt Study the program carefully and answer the below questions; Hint: you might run the program before starting answering the questions! a) Show the output of the program. Assume that the file numbers.txt contains the data shown above b) As the program contains nested while loop, determine how many times the following statements will be executed: Assume that the file numbers.txt contains the data shown above 1) infile = fopen( "numbers.txt" ,"r" ); time(s) 2) printf("%d is read from the file\n" , number); ***................…What does the following python code do? f = open("sample.txt", "w") Choose all that apply. Select 2 correct answer(s) Question 11 options: If the file called sample.txt exists, it writes at the bottom of the file if the file sample.txt exists, deletes everything in it reads the file called sample.txt starting from the top if the file sample.txt does not exist, it creates the file and opens it for writing opens a file called sample.txt for appending writes "w" to the file called sample.txt opens a file called sample.txt for reading closes a file called sample.txt<<Write in Java>> - Challenge 7 File encryption is the science of writing the contents of a file in a secret code. Your encryption program should work like a filter, reading the contents of one file, modifying the data into a code, and then writing the coded contents out to a second file. The second file will be a version of the first file, but written in a secret code. Although there are complex encryption techniques, you should come up with a simple one of your own. For example, you could read the first file one character at a time, and add 10 to the character code of each character before it is written to the second file. - Challenge 8 Write a program that decrypts the file produced by the program in Programming Challenge 7. The decryption program should read the contents of the coded file, restore the data to its original state, and write it to another file
- Can you help with problem number 7.The function fopen return NULL when: An error occurred while opening the file. An error occurred while reading the file. An error occurred while closing the file. An error occurred while compiling the file.#include #includecstdlib.h> int main(void){ int number , reverse = 0, digit, temp; FILE *infile, "outfile; int status; //open the input file and check if an error occurred infile = fopen( "numbers.txt" , "r" );//open the input file if(infile == NULL){ printf("Error: File \"numbers.txt\" not foundl\n"); exit (1); //open the output file and check if error occurred outfile = fopen( "Report.txt", "w" ); if(outfile == NULL)X printf("Error: File \"Report.txt\" can not be created!\n"); exit (1); status = fscanf(infile, "%d" , &number); /read first number from the file while(status != EOF){ printf("%d is read from the file\n" , number); fprintf(outfile, "%8d" , number); //To read all the numbers in the file //compute the reverse of the number temp = number ; reverse = 0; while(temp != 0)X digit = temp % 10; reverse = reverse * 10 + digit ; temp = temp/10; printf("The reverse is: %d \n", reverse); fprintf(outfile , "%8d" , reverse); //check whether the number is palindrome if(number ==…
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