fn func(arg1, arg2, arg3) {
    return expr;
}

fn func2() {
    if true {
        return false;
    }
    fn in_func2(a, b,) {
        while true {
            return 10;
        }
    }
}

func2();
func2(1);
func2(1,2);
func2(1,2,3,);

while (1 + 1) {
    a()()() = func1() + func2();
    a();
}

if func2()() {
    func4();
}


你好 = 世界;

class list {
    fn __init__(self, arg1) {
        return self;
    }
    fn append(self, elem) {

    }
    fn pop(self, ) {
        
    }

    fn build_class(self) {
        class C {
            
        }
    }
}

a = 3.1415926;
b = -1.0;
print((a.abs + b.ok()).sb() + c());

a.b.c.d.e.f.g.h.i().j.k(j.m(n));

a = [func1(), 2, 3, 4, 5];
print(data[0, 1, [a, 3.14]]);


a = 3.1415926;
b = -1.0;
print([a.abs + b.ok()].len() + c());

a.b.c.d.e.f.g.h.i().j.k[j.m[n]];

helloworld = ["Hello", "World", "!!!", "\n"];
你好世界 = "
你好\t世界！
";
print(a + b);