Successfully solved BUG: AttributeError: 'str' object has no attribute 'append'
Article directory
Abnormal Interpretation
In the process of writing Python code, the following errors will occur:
Successfully solved BUG: AttributeError: 'str' object has no attribute 'append'
The translation of the error into Chinese is:
String objects do not have an append method, so an AttributeError is raised when attempting to call the append method on a string.
Error reproduction & solution ideas
AttributeError is raised when attempting to use the append method on a string. Since strings are immutable types, they do not support direct modification operations and therefore do not have an append method. The following is an example of Python code that can report AttributeError:
try:
my_str = "Hello"
my_str.append(" World")
except AttributeError as e:
print(f"Caught an AttributeError: {
e}")
In the above code, we are trying to add "World" to the string my_str using the append method. Since strings are immutable, there is no append method, which results in AttributeError. When running the above code, the output will be:
Caught an AttributeError: 'str' object has no attribute 'append'
solution
If you want to modify a string, you can use string concatenation to do so. For example, to add something to the end of a string, use the plus sign to concatenate the two strings:
my_str = "Hello"
my_str += " World"
print(my_str)
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