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what is the file offset position for file open modes < a > in python?
- a)Beginning of the file
- b)End of the file
- c)Middle of the file
- d)Current position of the file
Correct answer is option 'B'. Can you explain this answer?
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Most Upvoted Answer
what is the file offset position for file open modes < a > in py...
Concept:
<a>:
<a> Opens the file in append mode. If the file doesn’t exist, then a new file will be created. The File Offset position is the End of the file.
- To append text to a text file, we must first build a file handle that creates an offset at the file's end. Offset, in its simplest form, refers to the location of the read/write pointer within the file.
- Depending on the permissions granted, such as read, write, etc., offset is utilized afterward to carry out activities within the text file.
Example:
file = open (“abc.txt”, “a”)
Here the file opened in append mode. If a file whose name abc.txt doesn’t exist, then a new file will be created.
Hence the correct answer is the End of the file.
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what is the file offset position for file open modes < a > in py...
The file offset position refers to the position within a file where the next read or write operation will occur. The file offset position is determined by the open mode specified when opening the file.
The most commonly used file open modes are:
1. "r" (Read mode): The file offset position is set to the beginning of the file. Reading from the file will start from the first byte.
2. "w" (Write mode): The file offset position is set to the beginning of the file. Writing to the file will overwrite any existing content.
3. "a" (Append mode): The file offset position is set to the end of the file. Writing to the file will append new content to the existing content.
4. "r+" (Read and write mode): The file offset position is set to the beginning of the file. Reading or writing can occur at any position within the file.
5. "w+" (Read and write mode): The file offset position is set to the beginning of the file. Writing to the file will overwrite any existing content. Reading or writing can occur at any position within the file.
6. "a+" (Read and append mode): The file offset position is set to the end of the file. Writing to the file will append new content to the existing content. Reading or writing can occur at any position within the file.
Note: The file offset can be further adjusted using functions like fseek() or lseek().
The most commonly used file open modes are:
1. "r" (Read mode): The file offset position is set to the beginning of the file. Reading from the file will start from the first byte.
2. "w" (Write mode): The file offset position is set to the beginning of the file. Writing to the file will overwrite any existing content.
3. "a" (Append mode): The file offset position is set to the end of the file. Writing to the file will append new content to the existing content.
4. "r+" (Read and write mode): The file offset position is set to the beginning of the file. Reading or writing can occur at any position within the file.
5. "w+" (Read and write mode): The file offset position is set to the beginning of the file. Writing to the file will overwrite any existing content. Reading or writing can occur at any position within the file.
6. "a+" (Read and append mode): The file offset position is set to the end of the file. Writing to the file will append new content to the existing content. Reading or writing can occur at any position within the file.
Note: The file offset can be further adjusted using functions like fseek() or lseek().
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what is the file offset position for file open modes < a > in python?a)Beginning of the fileb)End of the filec)Middle of the filed)Current position of the fileCorrect answer is option 'B'. Can you explain this answer?
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