Which of the following invocations are valid? (Select two answers)
A. rfind("python","r")
B. sorted("python")
C. "python".sort ()
D. "python".index("th")
Answer:B
Which of the following invocations are valid? (Select two answers)
A. rfind("python","r") B. sorted("python") C. "python".sort () D. "python".index("th")