thecoded.prof
CMU Coding Bootcamp
1from typing import List
2
3
4def isRectangular(L: List[List[int]]) -> bool:
5 """Check if the length of each row is equal to the length of the first row."""
6 return all(len(row) == len(L[0]) for row in L)
7
8
9def testIsRectangular():
10 print("Testing isRectangular()...", end="")
11 L = [[1, 2, 3], [4, 5, 6]]
12 assert isRectangular(L) == True
13 L = [[1, 2], [4, 5, 6]]
14 assert isRectangular(L) == False
15 L = [[1, 2, 3, 4], [5, 6, 7, 8], [9, 10, 11, 12]]
16 assert isRectangular(L) == True
17 print("Passed!")
18
19
20def main():
21 testIsRectangular()
22
23
24main()