eitozx

def branch(num : int, f : int):
    return f'{" " * f}{"*" * num}*{"*" * num}'

def christmas(f):
    e = None
    for i in range(f):
        print(branch(i,f-i))
        if e is None:
            e = branch(i+1, f-i-1)
    print(e, e, sep='\n')

eitozx

CLIENT_ID = 
AUTH_URL = 
CLIENT_SECRET = 
REDIRECT_URI = 

eitozx

stack = []
top = None if stack == [] else len(stack) - 1

def push(stack, element):
    stack.append(element)
    global top
    top = len(stack) - 1
    return stack # optional

def pop(stack):