u7-script-file-operations

Question 1

Question;Answer

Question 2

What is the difference between these two file opening modes?\nwith open(“file.txt”

Answer 2

“w”) as f\nwith open(“file.txt”

Question 3

How can you write to a file using both write() and print()?\nShow example code.;Two ways:\n1) wf.write(“This will create or overwrite the file!\n”)\n2) print(“Writing with print().”

Answer 3

file=wf)\nBoth achieve the same goal but print() automatically adds a newline

Question 4

What does this code do?\nglob.glob(os.path.join(“**”

Answer 4

“*.txt”)

Question 5

What’s the difference between os.listdir() and os.scandir()?;os.scandir() returns iterator of os.DirEntry objects which provide additional attributes like is_file() and is_dir() methods

Answer 5

making it more efficient than os.listdir() which just returns names

Question 6

How do you implement recursive file search without using glob?\ndef search_files(root

Answer 6

ext

Question 7

What does this code do?\ndelimiter.join(str(i) for i in row);It converts all items in ‘row’ to strings and joins them with the specified delimiter. For example

Answer 7

if row=[1

Question 8

How do you write a matrix to a CSV file with a header?\ndef write_matrix(matrix

Answer 8

path