Myujth

def is_sink(m: List[List[int]], c: List[int]) -> bool:
 lowest_point = m[0][0]
 for i in range(len(m)):
 for j in range(len(m)):
 if m[i][j] < lowest_point:
 lowest_point = m[i][j]
 if c == lowest_point:
 return True
 else:
 return False
 """
 m = [[1,2,3],
 [2,3,3],
 [5,4,3]]
 >>> is_sink(m,[0,0])
 True
 >>> is_sink(m,[2,2])
 True
 >>> is_sink(m,[3,0])
 False

I'm trying to return True if c is the lowest in m. The code doesn't not print true or false

The way I understand the question: (a) the c list has 2 elements and is interpreted as indexes into the matrix m; and (b) return true if the value specified by those indexes is the lowest value within its sublist.

def is_sink(m, c):
 ci, cj = c
 for i, xs in enumerate(m):
 mn = min(xs)
 try:
 if i == ci and mn == xs[cj]:
 return True
 except IndexError:
 pass
 return False

MATRIX = [
 [1, 2, 3],
 [2, 3, 3],
 [5, 4, 3],
]

print(is_sink(MATRIX, [0, 0])) # True
print(is_sink(MATRIX, [2, 2])) # True
print(is_sink(MATRIX, [3, 0])) # False, because out of bounds
print(is_sink(MATRIX, [1, 0])) # True

Your code checks for the lowest point, not whether that point is a sink. Also, I believe this is your homework, you should not be getting help for it online. Come to my office hours.