f file.txt exists, Does the code successfully run ?

What happens if the file is not found in the following python code?a=Falsewhile not a:    try:        f_n=input("Enter file name ")        i_f=open(f_n,"r")    except:        print("Input file not found")

Which of the following mode of fopen() function opens a file only for writing. If a file with that name does not exist, attempts to create a new file. If the file exist, place the file pointer at the end of the file after all other data.Select one:a.Wb.Wc.Ad.A+

What will be output for the folllowing code?try:    f = open("demofile.txt")    f.write("Lorum Ipsum")except:    print("Something went wrong when writing to the file")finally:    f.close()demofile.txtErrorLorum IpsumErrorGarbage valueErrorSomething went wrong when writing to the fileError

Write C program to open an existing file“My.TXT” and read its content and displayit.

What happens if you open a file with the 'a' mode and the file does not exist?