DART: ISSUE A value of type 'num' can't be assigned to a variable of type 'int'

Question

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I want to calculate the sum of the given values but i recieve this error

Answer 1

Change var to int

for (int value in values) {
  sum += value;
}

and change

values = ['1, 3, 5, 7, 9']

to

values = [1, 3, 5, 7, 9]