testcases-DA

#Test case 1:
a : int = 1
b : int = 2
c : int = 3
a,b,c = 4,5,6
assert(a == 4)
assert(b == 5)
assert(c == 6)

#Test case 2:
a : bool = True
b : bool = False
a, b = False, True
assert(a == False)
assert(b == True)

#Test case 3:
a : int = 1
b : bool = False
a, b = 2, True
assert(a == 2)
assert(b == True)

#Test case 4:
a : int = 1
b : int = 2
a, _, b = 4, 5, 6
assert(a == 4)
assert(b == 6)

#Test case 5:
a : int = 1
b : int = 2
a, b, _ = 4, 5, 6, 7, 8
assert(a == 4)
assert(b == 5)

#Test case 6:
a : int = 0
b : int = 0
c : int = 0
a,b,c = [1,2,3]
assert(a == 1)
assert(b == 2)
assert(c == 3)

#Test case 7:
a : int = 0
b : int = 0
c : int = 0
a,b,c = (1,2,3)
assert(a == 1)
assert(b == 2)
assert(c == 3)


#Test case 8:
a : int = 0
b : list = []
c : int = 0
l = [1, 2, 3, 4]
a, *b, c = l
assert a == 1
assert c == 4
assert b[0] == 2
assert b[1] == 3

#Test case 9:
a: int = 0
b: int = 0
c: list = []
(a, b, _, c) = 1, 2, 3, [1, 2]
assert a == 1
assert b == 2
assert c[0] == 1
assert c[-1] == 2


#Test case 10:
a: int = 0
b: int = 0
c: list = []
l: list = [1, 2, 3, 4, 5, 6]
a, b, *c = l
assert a == 1
assert b == 2
assert c[0] == 3
assert c[-1] == 6

#Test case 11:
a : int = 0
b : list = []
c : int = 0
l = [1, 2, 3, 4]
a, *_, c = l
assert a == 1
assert c == 4