File Management | Python Mastery

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A teammate says "you don't need `with` when opening files — just call `close()` at the end." What scenario proves them wrong?

Code

# Teammate's approach
f = open("data.txt")
data = f.read()
process(data)   # raises RuntimeError
f.close()       # never reached

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easyFile Management

Code

# Teammate's approach
f = open("data.txt")
data = f.read()
process(data)   # raises RuntimeError
f.close()       # never reached