file handling
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What is file handling?
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闪卡 1
问题
What is file handling?
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答案
File handling is the use of programming techniques to work with information stored in text files.
闪卡 2
问题
List four examples of file handling techniques.
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答案
- Opening text files
- Reading text files
- Writing text files
- Closing text files.
闪卡 3
问题
In Python, how do you open a file named "fruit.txt" in read mode?
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答案
file = open("fruit.txt","r")
闪卡 4
问题
How do you close a file in Python?
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答案
file.close()
闪卡 5
问题
What does the "a" mode mean when opening a file in Python?
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答案
The "a" mode is for writing to the end of an existing file only (append).
闪卡 6
问题
True or False? ** The "w" mode in Python will create a new file if it doesn't exist.**
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答案
True. The "w" mode in Python will create a new file if it doesn't exist.
闪卡 7
问题
What is the purpose of the readline() function in Python?
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答案
The readline() function is used to read a single line from a file.
闪卡 8
问题
How do you write a new line to a file in Python?
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答案
file.write("New line content\n")
闪卡 9
问题
What does the following code do: endOfFile = name == ""
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答案
It checks if the end of the file has been reached by seeing if the 'name' variable is empty.
闪卡 10
问题
True or False? It's important to always make a backup of text files you are working with.
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答案
True. It's important to always make a backup of text files you are working with, as one mistake can cause you to lose the contents.