a = "   ....hapy new year boy ho    ....."
b = (a.strip("."))
b.strip()
print(b)


from math import sqrt as this
x = 10
y = 20
print(this(y-x))


mylist = []
i ="'"
while i != "gol".upper():
    i = input("Введите что то:")
    mylist.append(i)
print(mylist)