[Solved] How can you modify this nested loop to print all pairs of items from two lists?list1="a b" list2="1 2" for x in $list1; do for y in $list2; do echo "$x$y" done done | Bash Scripting

Bash Scripting - Loops

How can you modify this nested loop to print all pairs of items from two lists?

list1="a b"
list2="1 2"
for x in $list1; do
  for y in $list2; do
    echo "$x$y"
  done
done

AAdd 'do' after inner for loop variable

BThe script is correct and prints: a1 a2 b1 b2

CUse commas between list items

DUse a single loop with combined lists

Step-by-Step Solution

Solution:

Step 1: Analyze nested loops
The outer loop runs over list1, inner loop over list2, printing concatenated pairs.
Step 2: Confirm output
Output will be a1, a2, b1, b2 each on its own line, matching The script is correct and prints: a1 a2 b1 b2.
Final Answer:
The script is correct and prints: a1 a2 b1 b2 -> Option B
Quick Check:
Nested loops produce all pairs [OK]

Quick Trick: Nested for loops create all combinations [OK]

Common Mistakes:

MISTAKES

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