Question Bank: File Handling in Python

What is the purpose of a file in Python?

Which of the following is an example of a text file?

What character typically indicates the end of a line in a text file in Python?

What types of characters are stored in a binary file?

Which of the following extensions corresponds to a text file?

Which of the following best describes how data is stored in files?

What function is used in Python to open a file?

What mode should you use to write to an existing file without deleting its contents?

What happens if you try to open a file that does not exist in read mode?

When saving a text file, which encoding is commonly used?

In Python, how can you read the entire content of a file?

What is the function of the close() method in file handling?

What module is used for handling object serialization in Python?

In the context of text files, what does EOL stand for?

If a text file contains the string 'Hello World' followed by a newline character, how many bytes does it contain?

What is the primary difference between text files and binary files?

Which of the following defines a text file?

What character typically indicates the end of a line in a text file?

Which of the following file extensions typically indicates a binary file?

Why are binary files not human-readable?

Which function is used in Python to open files?

What distinguishes a text file from a binary file in terms of content?

If you attempt to open a non-existent file in write mode using Python, what happens?

What type of data do CSV files typically store?

When using the open() function in Python, what does the 'r' mode signify?

What would happen if you try to read from an unopened text file using Python?

What is the main difference between a .py file and a .txt file?

Which character is typically used to denote the end of a record in text files?

In terms of complexity, how do binary files typically manage errors compared to text files?

Which of the following statements about file handling in Python is correct?

Which mode must be used to completely overwrite a text file when writing?

What method is used to write multiple lines of text to a file in Python?

In Python, which statement correctly opens a file called 'data.txt' in write mode?

Which of the following is a reason to use the 'with' statement when handling files?

What will be the result of running the following code: 'myfile.write(42)' without converting 42 to a string?

Which method would you use to get the number of characters written to a file by the write() function?

What is the outcome of opening a file in write mode if the file already contains data?

How do you write a single string followed by a newline character to a file using the write method?

If you want to ensure data is not only written but also immediately flushed to the file, which method is essential?

Which is a necessary step after writing to a file?

What happens if you attempt to write to a closed file?

Which of these functions can help convert a number to a string before writing to a text file?

Which of the following statements is true about the append mode for files?

When using the write() method, what must be included after the string to ensure proper formatting in a text file?

What does the tell() method in Python's file handling return?

If a file object is currently at byte position 10, what will file_object.seek(5) do?

What is the default reference point for the seek() function?

What will file_object.seek(0, 1) do?

How does seek() work with EOL characters in text files?

What is the result of file_object.seek(2, 2) if the file is 5 bytes long?

What is the appropriate syntax for seeking to byte 10 in a file?

Which file mode allows both reading and writing to a file in Python?

If you want to read from a specific byte in a file, which combination of functions would typically be used?

Which of the following is true about the seek() method?

If the file pointer is at the end of the file, what will file_object.seek(-1, 2) do?

In what scenario would using tell() after seek() provide different results?

What happens if you use the seek() method to position the pointer beyond the file size?

What is the purpose of the 'open()' function in file handling?

Which mode should be used with 'open()' to append data to an existing file?

What does the 'readline()' function do?

If a file is opened using 'open('file.txt', 'w')', what happens if 'file.txt' already exists?

In Python, what function would you use to move to the beginning of a file?

What is the effect of calling 'file.close()'?

How can you read all lines from a text file with a single command?

What happens when you use 'open('file.txt', 'x')'?

Which of the following is a valid way to write 'Hello World' to a file named 'greet.txt'?

In Python, how can you check the current position of the file cursor?

Which method is used to reset the file pointer to the end of the currently opened file?

What happens to the data in a file if you open it in both 'r+' and 'w+' mode consecutively?

What is the default file mode when using 'open()'?

When reading from a binary file, which method should be used?

Which function would you use to ensure your file is closed automatically after operations are completed?

What does the pickle module in Python primarily do?

Which two methods are primarily used in the pickle module?

When using the dump() method, how should the file be opened?

What is the result of the load() method?

Which statement about pickling is incorrect?

What do you need to do before using the pickle module?

What is the purpose of binary mode in files when using pickle?

In the context of the pickle module, what does 'serializing' mean?

When unpickling, which file mode must be used?

Which of the following is a correct syntax for the load() method?

Pickling can be described as which of the following processes?

Which of the following is NOT a valid use case for the pickle module?

Which of the following will occur if you try to load from a file that has not been properly pickled?

What will the following code output? 'print(pickle.load(open("mybinary.dat", "rb")))'

What function is used to open a file in Python?

Which mode should you use for creating a new file or overwriting an existing file?

What does the 'rb' mode do when opening a file?

What will happen if you try to open a file in write mode if it doesn't exist?

Which attribute would you check to determine if a file is closed?

If you open a file with 'a+' mode, where does the file pointer start?

What happens to existing data in a file when it is opened in write mode (w)?

Which mode would you use if you want to read a file and also add to it without losing the current data?

When using the open() function, what is the purpose of the file_object variable?

Which method is used to close a file in Python?

What will the statement `file_object= open('data.txt', 'a')` do if 'data.txt' exists?

Which of the following correctly lists access modes for a file in Python?

What indicates the end of a line in a text file in Python?

Which of the following describes the correct behavior when attempting to open a non-existent file in read mode?

What does the open() function return upon successful execution?

Which mode is used to open a file for reading in Python?

What does the read() method return when called without an argument?

What must you ensure before reading from a file in Python?

Which character indicates the end of a line in Python text files?

What happens if you try to read from a file opened in 'w' mode?

Which method would you use to read multiple lines from a text file at once?

If you want to read only the first 10 characters from a text file, which method would you use?

Which of the following correctly closes a file in Python?

Which method would you use to read a specific line from a file in a loop context?

What will the following code output: 'print(file_object.read(5))' if the file content is 'Hello World!'?

How can you prevent modifying a file while reading it in Python?

To handle file reading errors, which block can be used?

When is the __iter__ method called while reading from a file?

What is a common issue when reading a text file with a different encoding?