Testing RND (Random Numbers)
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Test 1: RND range (should be 0 to 1)
 5 out of 5 values in range [0, 1)

Test 2: Random integers 1-6 (dice roll)
 10 out of 10 values in range [1, 6]

Test 3: Random integers 1-100
 5 out of 5 values in range [1, 100]

Test 4: RND in expressions
 3 out of 3 expressions in correct range

Test 5: Multiple RND in one expression
Sum in range [0, 3): OK

Test 6: RND produces variety
Values differ: OK

RND tests complete!

