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  1. echo "Enter first number:"
  2. read num1
  3. echo "Enter second number:"
  4. read num2
  5. sum = $((num1+num2))
  6. echo "The sum of $num1 and $num2 is : $sum"
Success #stdin #stdout #stderr 0.01s 5320KB
stdin
Standard input is empty
stdout
Enter first number:
Enter second number:
The sum of  and  is : 
stderr
sum: '=': No such file or directory
sum: 0: No such file or directory