machine learning

Which of the following python command can be used to spilt 100 data points, stored in a data frame variable named of, completely into 8036 training and 20% validation? Select one: a. of _train =of [0:20] ot _est = dif20: 1 b. a dt train =dt(0:80) at_teat = dib8: 109] c. dt train = df [0:80] di_lest = diffB:- 1011 d. a. dt_train = df [0:80 ] of test = afisi: 100j