Prog. Langs (Python 3) 4

# Hello World program in Python

# class definition
class Figure:
    def __init__(self, x, y):
        self.x = x
        self.y = y

    # Override
    def __str__(self):
        return 'x = ' + str(self.x) + ', y = ' + str(self.y) + '.'

    def move(self, x, y):
        if self.verify(x, y):
            self.x = x
            self.y = y

    def checkBorders(self, x, y):
        if x > 8 or x < 1 or y > 8 or y < 1:
            return 0
        return 1

class Rook(Figure):
    def verify(self, x, y):
        return (self.checkBorders(x, y) and self.x == x) or (self.checkBorders(x, y) and self.y == y)

e = Rook(1, 1)
print(e)
e.move(1, 8)
print(e)

class Triangle:
    def __init__(self, a, b, c):
        self.a = a
        self.b = b
        self.c = c

    def area(self):
        p = (self.a + self.b + self.c) / 2
        return p * (p - self.a) * (p - self.b) * (p - self.c)

class Prism(Triangle):
    def __init__(self, a, b, c, h):
        super().__init__(a, b, c)
        self.h = h

    def area(self):
        return 2 * super().area() + (self.a + self.b + self.c) * self.h

p = Prism(3, 4, 5, 6)
print(p.area())

t = Triangle(3, 4, 5)
print(t.area())



# function should be defined before its usage
def GCD(a, b):
    while a != b:
        if a > b:
            a = a - b
        else:
            b = b - a
    return a

print (GCD (125, 75))

# object definition (json like)
b = {
    'fname': 'Vakhtangi',
    'lname': 'Laluashvili',
    'age': 22
}

b['weight'] = 58 # add dinamically

for c in b:
    print (c, ": ", b[c])

a = [2, 3, 5, 7, 11]
a = a + [13, 17, 19, 23]

for c in a:
    print (c)