Invalid syntax, I'm a beginner, it's immediately clear. Can you help?

Question

Python

Syntax error I can't understand its meaning and how to fix it.

t=input()
if t == "треугольник":
    a=int(input())
    b=int(input())
    c=int(input())
    p=(a+b+c)/2
    print(p*(p-a)*(p-b)*(p-c)
elif t == "круг":
    r=int(input())
    F=3.14*r**2
        print(F)
elif t == "прямоугольник":
    a=int(input())
    b=int(input())
        print(a*b)

Answer 1

Answer 2

An extra tab is also a mistake. It's like putting an open parenthesis outside the closing parenthesis of a condition in another language.
And in the 7th line, as mentioned above, the bracket is missing.

Answer 3

Well, the idea of ​​a bot to send one comment to everyone, it's funny, but can you still remove such functionality?