/Python/Dictionary changed size during iteration after pop function

Dictionary changed size during iteration after pop function

cars = {
 "brand": "Tesla",
 "model": "Model S Plaid",
 "year":  2021
 }

for x in cars.keys():
  cars["color"] = "white"
print(x)

Source: delftstack.com

Dictionary changed size during iteration after pop function

import copy
cars = {
 "brand": "Tesla",
 "model": "Model S Plaid",
 "year":  2021,
 }

#creating a shallow copy
cars_copy = copy.copy(cars)

for x in cars_copy.keys():
    cars["color"] = "black"
    
print(cars)
print(cars_copy)

Source: delftstack.com

Similar codes

-2 votes166 views1 answer
Python web server shell
Python
16 votes150 views6 answers
Django model
Python
22 votes163 views4 answers
Python count appearances in list
Python
2 votes157 views1 answer
Python how to make an array of ones
Python
0 vote241 views1 answer
The day before today python datetime
Python
29 votes172 views1 answer
Sort a dataframe by a column valuepython
Python
0 vote185 views1 answer
Stack data horizontally pandas
Python
2 votes413 views2 answers
Python django query
Python Django
34 votes144 views1 answer
Python main file with class
Python
0 vote145 views1 answer
How to encode a string in python
Python