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Home/ Questions/Error: valueerror: min() arg is an empty sequence – quick tips.
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Evan Roy
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Evan Roy
Asked: May 18, 20222022-05-18T20:34:48+00:00 2022-05-18T20:34:48+00:00In: python

Error: valueerror: min() arg is an empty sequence – quick tips.

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As advised, I used some code samples in another forum, but it could not improve the problem. My question is the “valueerror: min() arg is an empty sequence” in python-how to solve it? The command line is:

min(x for x in matr_sum[i] if x > 0 if is_visited[k] is False )
for k in range(4):
  if matr_sum[i][k] == min(x for x in matr_sum[i] if x > 0 if is_visited[k] is False ) and i!=k:
  return k
min(x for x in matr_sum[i] if x > 0)

and the result:

min() arg is an empty sequence

What does the message mean? Can you advise me to fix it? If you have other better answers, leave them in the answer box below.

min() arg is an empty sequence
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    lyytutoria Expert
    2022-06-27T10:01:34+00:00Added an answer on June 27, 2022 at 10:01 am

    The cause:

    This error occurs because no integers appear in your function, so min() function cannot find any values and it throws an error ”min() arg is an empty sequence”.

    Solution:

    If you want this error disappear, you need to provide integers for the min() method or in the call, you can set the default keyword argument for the min() function.

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  2. Hugo Besson
    2022-05-25T21:06:43+00:00Added an answer on May 25, 2022 at 9:06 pm

    You can use default to prevent this ValueError from occurring in general. This argument will be returned if the min() argument is empty. is described here.

    min([], default="EMPTY")
    # returns EMPTY

    This only works with Python 3.4+

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