Why does following code cause error? s1 = pd.Series(range(1, 15, 3), index = list(ababa)) print(s1[ab])

Q. Why does following code cause error?

s1 = pd.Series(range(1, 15, 3), index = list('ababa'))

print(s1['ab'])

Answer =

Because there are no rows by the names “ab” in the series.