advanced35 XP

Files & Error Handling

Read and write files, handle errors gracefully with try/except

Files & Errors

Python

with open("scores.txt", "w") as f:
    f.write("Alex: 100\n")

with open("scores.txt", "r") as f:
    print(f.read())

try/except

Python

try:
    age = int(input("Your age: "))
    print(f"In 10 years: {age + 10}")
except ValueError:
    print("That's not a valid number!")
finally:
    print("Done!")

⌨️

Type it yourself

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Python · Playground

Output

Press ▶ Run to see your code come to life…

Quick check

01/2

Which file mode adds content WITHOUT erasing existing content?