Str object has no attribute delete как исправить

This error occurs when you try to call the remove() method on a string to remove one or more characters. You can solve the error by calling the replace() method on the string or by calling the remove() method on a string. For example,

my_str = 'fruits'

new_str = my_str.replace('s','')

This tutorial will go through the error in detail and how to solve it with code examples.

AttributeErrror: ‘str’ object has no attribute ‘remove’

AttributeError occurs in a Python program when we try to access an attribute (method or property) that does not exist for a particular object. The part “‘str’ object has no attribute ‘remove’” tells us that the string object we handle does not have the attribute remove().

remove() is a list method that removes the first occurrence of the specified element.

We can check if an attribute exists for an object using the dir() function. For example,

my_str = 'Python'

print(type(my_str))

print('remove' in dir(my_str))

<class 'str'>
False

We can see that remove() is not in the list of attributes for the str object.

Example

Let’s look at an example of trying to call the remove() method on a string.

# Create string with unwanted characters
 
my_str = 'ssfruits'

# Attempt to remove the unwanted 's' at the start of the string

new_str = my_str.remove('s')

print(new_str)

Let’s run the code to see what happens:

---------------------------------------------------------------------------
AttributeError                            Traceback (most recent call last)
Input In [3], in <cell line: 2>()
      1 my_str = 'ssfruits'
----> 2 new_str = my_str.remove('s')
      3 print(new_str)

AttributeError: 'str' object has no attribute 'remove'

The error occurs because remove() is not a string method in Python.

Solution

We can solve the error by calling the str.replace() method that returns a copy of the string with the replaced characters. The syntax of the replace() method is as follows:

string.replace(old_value, new_value, count)

• old_value: Required. The string to search for
• new_value: Required. The string to replace old_value with
• count: Optional. A number specifying how many occurrences of old_value to replace. Default is all occurrences.

We can remove a character by setting the new_value to ''. Let’s remove the first two occurrences of the 's' character from the string. We want to keep the third occurrence of 's', so we will set count to 2

my_str = 'ssfruits'

new_str = my_str.replace('s', '', 2)

print(new_str)

Let’s run the code to get the result:

fruits

List Remove Method

If we want to remove the first occurrence of an element from a list, we can use the remove() method. For example,

my_lst = ['whale', 'lion', 'zebra', 'owl', 'platypus']

try:
    my_lst.remove('lion')
except ValueError:
    print('Item not in list')

print(my_lst)

['whale', 'zebra', 'owl', 'platypus']

Summary

Congratulations on reading to the end of this tutorial!

For further reading on AttributeErrors with string objects, go to the articles:

• How to Solve Python AttributeError: ‘str’ object has no attribute ‘trim’
• How to Solve Python AttributeError: ‘str’ object has no attribute ‘items’
• How to Solve Python AttributeError: ‘str’ object has no attribute ‘uppercase’

To learn more about Python for data science and machine learning, go to the online courses page on Python for the most comprehensive courses available.

Have fun and happy researching!

In this article, we will explain to you the solutions on how to resolve the ‘str’ object has no attribute ‘remove’.

The error message “attributeerror: ‘str’ object has no attribute ‘remove’” means that you are trying to use the remove() method on a string object, yet the remove() method doesn’t exist for strings.

Why you getting this ‘str’ object has no attribute ‘remove’ error?

The error ‘str’ object has no attribute ‘remove’ occurs because the “remove “method is not a valid operation for a string object in Python.

The remove method is used to remove a specified item from a list, yet strings are immutable in Python, meaning their values cannot be changed after they are created.

Therefore, they do not have a remove method.

There are multiple solutions to solve the “attributeerror: ‘str’ object has no attribute ‘remove’” error, it depends on the python program in which it occurs:

Solution 1: Check the type of the object

Before you apply any method to an object, it is important to check its type.

In the case of this error, you should check if the object is a string or a list/set.

If it is a string, you should not use the remove() method on it.

Solution 2: Convert the string to a list

If you need to remove elements from a string, you can convert it to a list first and then apply the remove() method.

For example:

string_of_fruits = "apple,banana,orange,grape"
list_of_fruits = string_of_fruits.split(",")
list_of_fruits.remove("orange")
print(list_of_fruits)

This example code first creates a string of fruits separated by commas.

Then, we use the split() method to convert the string to a list, splitting it at each comma.

The remove() method is then used on the list to remove the fruit “orange”.

Finally, the resulting list is printed to the console.

C:UsersDellPycharmProjectspythonProjectvenvScriptspython.exe C:UsersDellPycharmProjectspythonProjectmain.py
[‘apple’, ‘banana’, ‘grape’]

Solution 3: Use a different method

If you need to remove elements from a string, there are other methods that you can use instead of remove().

For example, you can use the replace() method to replace a character with an empty string:

Solution 4: Use exception handling

Another solution to manage the “attributeerror: ‘str’ object has no attribute ‘remove’” error is to use exception handling.

You can use a try-except block to catch the error and manage it completely.

For example:

my_string = "Hello World"
try:
    my_string.remove("l")
except AttributeError:
    print("Error: String object has no attribute 'remove'")
else:
    print("New string:", my_string)

In this example code, we first define a string “my_string “that does not have a “remove ” attribute.

Then we use a try-except block to attempt to remove the letter “l” from the string.

When the interpreter tries to execute the “remove ” method on the string, it raises an AttributeError, which we catch in the except block.

Instead of crashing the program, we completely manage the error through printing a message to the console.

Finally, we use an else block to print the new string only if the try block executes successfully, i.e., if no exception is raised.

Also read: attributeerror: module ‘tabula’ has no attribute ‘read_pdf’ [SOLVED]

Common causes of this error

• Using the remove() method on a string object
• Typos or syntax errors
• conflict variable names

FAQs

Conclusion

In conclusion, if you encounter like this attributeerror: ‘str’ object has no attribute ‘remove’ the above solution it should be able to help you to resolve it.

Как исправить эту ошибку?

123 #Это ввод...
Exception in Tkinter callback
Traceback (most recent call last):
  File "/usr/lib/python3.8/tkinter/__init__.py", line 1883, in __call__
    return self.func(*args)
  File "1_TSP.py", line 44, in go
    test = test.str().replace('', '')
AttributeError: 'str' object has no attribute 'str'

from tkinter import *
import os
from tkinter import messagebox
try:
    os.chdir(r"C:/Program Files/TSPassword")
except:
    newpath = r'C:/Program Files/TSPassword'
    if not os.path.exists(newpath):
        os.makedirs(newpath)


def mas(event):
    def edit(event):
        my_file = open("MLP.txt", "a")
        my_file.write("Метка: " +  met.get()  + " Логин: " + log.get()  + " Пароль: " + pas.get() + 'n')
        my_file.close()
    master = Toplevel(root)
    met = StringVar()
    log = StringVar()
    pas = StringVar()
    text_met = Label(master, text="Введи название пароля (метка должна быть уникальной!)")
    text_met.pack()
    ent_met = Entry(master, textvariable=met)
    ent_met.pack()
    text_log = Label(master, text="Введи логин")
    text_log.pack()
    ent_log = Entry(master, textvariable=log)
    ent_log.pack()
    text_pas = Label(master, text="Введи пароль")
    text_pas.pack()
    ent_pas = Entry(master, textvariable=pas)
    ent_pas.pack()
    but = Button(master, text="Создать!")
    but.bind("<Button-1>", edit)
    but.pack()
    
def search(event):
    def go(event):
        word = s.get()
        filename = 'MLP.txt'
        with open(filename) as f:
            test = word if word in f.read() else messagebox.showerror('Error', 'Извини, но я ничего не нашел nВозможно ты не ввел имя метки…')
            print(test)
            test = test.str().replace('', '')
        lookup = s.get()
        with open(filename) as myFile:
            for num, line in enumerate(myFile, 0):
                if lookup in line:
                    num = num
        with open('MLP.txt') as f:
            for index, line in enumerate(f):
                if index == num:
                    a = line
                    break
            f = open('MLP.txt')
            line = f.readlines()
            test = line[num]

    s = StringVar()
    search = Toplevel(root)
    text = Label(search, text="Введи метку")
    text.pack()
    ent = Entry(search, textvariable=s)
    ent.pack()
    but = Button(search, text="Искать")
    but.bind("<Button-1>", go)
    but.pack()

def settings(event):
    def BS(event):
        os.chdir(message.get())
        message = StringVar()
        help = Label(Set, text="Введи директорию, (Пример: C:" + '/' + "test)")
        help.pack()
        ent = Entry(Set, textvariable=message)
        ent.pack()
        but = Button(Set, text = "Изменить")
        but.bind("<Button-1>", S)
        but.pack()
    Set = Toplevel(root)
    but_set = Button(Set, text="Директория паролей")
    but_set.place(relx=.5, rely=.1, anchor="c", height=30, width=130, bordermode=OUTSIDE)
    but_set.bind("<Button-1>", BS)


root = Tk()
root.geometry("370x250")

text = Label(text="Добро пожаловать!")
text.place(relx=.4, rely=.1, anchor="c", height=30, width=130, bordermode=OUTSIDE)
but = Button(text="Настройки")
but.place(relx=.8, rely=.1, anchor="c", height=30, width=130, bordermode=OUTSIDE)
but.bind("<Button-1>", settings)
butmas = Button(root, text="Создать пароль")
butmas.place(relx=.5, rely=.5, anchor="c", height=30, width=130, bordermode=OUTSIDE)
butmas.bind("<Button-1>", mas)
but_s = Button(root, text="Поиск пароля")
but_s.bind("<Button-1>", search)
but_s.place(relx=.5, rely=.7, anchor="c", height=30, width=130, bordermode=OUTSIDE)

root.mainloop()