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

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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2 Answers

  1. Best Answer
    Expert

    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.

    • 0

  2. 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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