Making a Python program that reads an IP address and determines whether it is syntactically correct or not. Assuming the format of the IP address is ###.###.###.### where 999 represents a number between 0 and 255. Use the `split function to access the values in the input IP address.

PHP language.

. You have a shopping list of some items. You want to substitute one of the items with some other items. Write a script that does that. For example: Your old shopping list is: ['apple', 'pear', 'orange', 'grape'] Enter 3 new items: banana peach kiwi Enter the item to be replaced: orange New list: ['apple', 'pear', ['banana', 'peach', 'kiwi'], 'grape']

Assume a given email is valid. Write a program which extracts the username and domain from a valid email address using string::find and string::substr methods. Sample output: Type your valid email: eyildirim@qcc.cuny.edu Username: eyildirim Domain: qcc.cuny.edu   C++ #include <iostream>#include <string>using namespace std