Which of the following declarations is correct in python language?
- pqrs = 1,000,000
- p q r s = 1000 2000 3000 4000
- p,q,r,s = 1000, 2000, 3000, 4000
- p_q_r_s = 1,000,000
1
1, 2, 3
2
2,3,4
3
1,3,4
4
all of these
Which of the following declarations is correct in python language?