Detailed explanation of the difference between read, readline and readlines in python

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The file object is created using the open function. The following table lists the differences between the common functions read, readline, and readlines of the file object:

1. Read the specified number of bytes from the file. If size is not given or is negative, read all.

file.read([size])

2. Read the entire line, including the "\n" character.

file.readline([size])

3. Read all lines and return the list, if sizeint> is given; 0, returns rows whose sum totals approximately sizeint bytes. The actual read value may be larger than sizeint because the buffer needs to be filled.

file.readlines([sizeint])

For example:

read

readline

readlines

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