Which of the following is an invalid statement?
A. abc = 1,000,000
B. a b c = 1000 2000 3000
C. a,b,c = 1000, 2000, 3000
D. a_b_c = 1,000,000
Answer: Option B
A. abc = 1,000,000
B. a b c = 1000 2000 3000
C. a,b,c = 1000, 2000, 3000
D. a_b_c = 1,000,000
Answer: Option B
Which of the following is a valid variable name in Python?
A. my-variable
B. 123variable
C. _my_variable
D. $variable
What is the maximum possible length of an identifier?
A. 31 characters
B. 63 characters
C. 79 characters
D. none of the mentioned
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