ValueError: invalid literal for int()

原创 今天药忘吃喽~ 2025-02-26 12:57 53阅读 0赞

The ValueError: invalid literal for int() error occurs when you try to convert a non-integer value to an integer in Python.

Here’s a common scenario that might lead to this error:

  1. # Incorrect conversion
  2. num_str = "42"  # It should be "42", not "42"
  4. try:
  5.     num_int = int(num_str)  # Trying to convert a string to int
  6. except ValueError as ve:
  7.     print(ve)  # Output: invalid literal for int()

In the example, you try to convert the string "42" to an integer. Since "42" is not a valid integer value, Python raises a ValueError.

To fix this error, make sure that the string you want to convert to an integer contains only valid integer characters. In the case of “42”, it’s already correct.

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