Wed Apr 20 2022·2 min read
Photo by Robert Bye
The Python "AttributeError 'tuple' object has no attribute 'replace'" occurs
when we call the
replace() method on a tuple instead of a string. To solve the
error, correct the assignment of the variable or access the tuple at a specific
index when calling
Here is an example of how the error occurs.
example = 'zbc', 'def' print(type(example)) # 👉️ <class 'tuple'> # ⛔️ AttributeError: 'tuple' object has no attribute 'replace' result = example.replace('z', 'a')
We declared a tuple instead of a string by separating multiple values with a comma.
To be able to use the
replace() method, we have to declare a string, or access
the tuple at a specific index.
example = 'zbc def' print(type(example)) # 👉️ <class 'string'> result = example.replace('z', 'a') print(result) # 👉️ "abc def"
We declared a string, so we were able to use the
replace() method to replace
z character with an
If you meant to call
replace() on an element of a tuple, access it at the
my_tuple = ('zbc', 'def') result = my_tuple.replace('z', 'a') print(result) # 👉️ "abc"
We accessed the tuple element at index
0 which is a string, so we were able to
Tuples are constructed in multiple ways:
()creates an empty tuple
Note that tuples are immutable, so if you have to mutate a sequence, you have to
There are only 2 methods that you will likely be using on tuple objects.
my_tuple = ('a', 'b', 'c', 'c') print(my_tuple.count('c')) # 👉️ 2 print(my_tuple.index('a')) # 👉️ 0
count method returns the number of occurrences of the value in the tuple
index method returns the index of the value in the tuple.
You can view all the attributes an object has by using the
my_tuple = ('a', 'b', 'c', 'c') # 👇️ [... 'count', 'index' ...] print(dir(my_tuple))
If you pass a class to the dir() function, it returns a list of names of the classes' attributes, and recursively of the attributes of its bases.
If you try to access any attribute that is not in this list, you would get the "AttributeError: tuple object has no attribute" error.