Basic Python Question

What is the purpose of np array in the below code? a=[6.1,5.8,5.97,5.43,7.34,8.67,6.55,3.66,2.31,6.84]b=[2.5,3.19,2.26,3.17,8.17,2.76,5.22,9.82,3.95,8.38]npa=np.array(a)npb=np.array(b) To measure the length of two lists Convert the lists 'a' and 'b' to a Numpy array To move data from 'a' to b ' to change the code from wide to long Question 19 Imagine we create a pandas serles using the below code. What is one simple way to retrieve the value 0.5 from the series? import pandas as pd df df.find[50] df[b] dr[a] dfic] drliloci=5] df[loc] difid