Python In-Depth: Use Python Programming Features, Techniques, and Modules to Solve Everyday Problems by Ahidjo Ayeva & Kamon Ayeva & Aiman Saeed

Author:Ahidjo Ayeva & Kamon Ayeva & Aiman Saeed [Ayeva, Ahidjo & Ayeva, Kamon & Saeed, Aiman]
Language: eng
Format: epub
Publisher: BPB Publications
Published: 2021-08-15T00:00:00+00:00

f = None

try:

with open("testing_files/sample.txt") as f:

print("File object in the 'with' block:", f, sep="
")

print("Expect the file to be closed…")

print("… even when an exception occurs")

number = int("abc")

# Cannot actually see the next 2 print() results…

print("File object after the 'with' block…")

print("… but within a try/except:", f, sep="
")

except ValueError:

pass

print()

print("File object after the 'with' block:", f, sep="
")

print("Is the file closed?")

if f.closed:

print("Yes")

else:

print("No")

Executing this code gives the following output:

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