Which of the following is syntactically correct text?

1. "This is great!"
2. 'she shouted 'HELLO' loudly'
3. "Goodbye'
4. "This "course" is good"

What can be the maximum possible length of an identifier?

1. 31
2. 63
3. 79
4. Can be of any length

Which of the following is an invalid statement?

1. a=b=c=20
2. a,b,c=10,20,30
3. abc = 20 30 40
4. abc=20

What is the result of this statement:

10>5 and 7>12 or not 18>3

1. 10
2. True
3. False
4. None