Python 3 Error with input()

Question

I'm trying to do an SPOJ problem and getting the number of test cases using:

tc = int(input())

However, I get a "non-zero exit code" error from that line when running my code. Here's the full code:

def is_on_edge(row, col, rows, cols): is_top = row == 0 is_left = col == 0 is_right = (col == cols - 1) is_bottom = (row == rows - 1) return is_top or is_left or is_right or is_bottom tc = int(input()) for i in range(tc): rows, cols = map(int, input().split()) for r in rows: for c in cols: if is_on_edge(r, c, rows, cols): print("*", end="") else: print(".", end="") print("")

Any idea what I'm doing incorrectly?

Thanks!

Why do you think the error has anything to do with that line? — user2357112
– user2357112, Commented Mar 22, 2017 at 19:53
@user2357112 Because the online judge gives me an end of file error from that line — anon_swe
– anon_swe, Commented Mar 22, 2017 at 19:54
You'll need to reproduce the error locally and see exactly what sort it is. — glibdud
– glibdud, Commented Mar 22, 2017 at 20:23

Terry Jan Reedy · Accepted Answer · 2017-03-22 20:41:53Z

rows, cols = map(int, input().split())

makes rows and cols be ints

for r in rows: for c in cols:

tries to iterate ints, which raises an exception. After changing above to

for r in range(rows): for c in range(cols):

code runs without exception on Win10, 3.6.

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