# basic email regex in python
import re

string = "The emails are john.doe@example.com, alex@example.com"

pat = r"\b[^\s]+@[^\s]+\.[^\s]+\b"

m = re.findall(pat, string)
print(m)
# done

				
			

#welcome!
# this is an interactive recording
# you can pause and edit the code if you wish
# when you press play, your edits will be removed and the recording continues.
# you can also run the code.
# basic for loop in python

for i in range(15):
    if i%2 == 0:
        print(f"{i} is even")

# have fun!b :)



				
			

print("hello world")


				
			

# basic linked list in python

class Node:
    def __init__(self, value=None, next=None):
        self.value = value
        self.next = next

class LinkedList:
    def __init__(self, head=None):
        if not head:
            self.head = Node()

# and other attributes can be added.