GCSE > Computer Science > OCR > GCSE Computer Science > ALGORITHMS AND PROGRAMMING: Programming techniques > File handling
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COMPUTER SYSTEMS: Encoding and compression

COMPUTER SYSTEMS: Network topologies

COMPUTER SYSTEMS: Wired and wireless networks, protocols, and layers

COMPUTER SYSTEMS: Threats to computer systems and networks

COMPUTER SYSTEMS: Operating systems and utility software

ALGORITHMS AND PROGRAMMING: Types of data

ALGORITHMS AND PROGRAMMING: Producing robust programs

ALGORITHMS AND PROGRAMMING: Designing, creating, and refining algorithms

ALGORITHMS AND PROGRAMMING: Artificial Intelligence (AI)

Operation Description Python example
Open Open a file (in r = read mode, w = write mode, or a = append mode) file = open(“data.txt”, “r”)
Read Read content from a file data = file.read() or file.readline()
Write Write to a file (overwrites)

file = open(“data.txt”, “w”)

file.write(“Hello”)
Close Closes the file file.close()

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