Pandas Practice: Simple Query #2Unsolved
Educational Resource: https://web.stanford.edu/class/cs102/readings/pandasreferences.htm
Problem reported in interviews at
Pandas data manipulation is a crucial skill for a data scientist.For this problem, you are given as input a dataframe. Return a list of strings representing the elements of column
bfor which column
ais a positive number.
For example, you could be given the following pandas dataframe, where
c are the column names and
2 are the row indices:
a b c
0 -1 2 3
1 400 5 6
2 700 8 9
In this case, you would return the following list of strings:
You can assume that there will always be at least 1 row where column
a is positive.
df: a b c 0 -100 2 3 1 400 5 6 2 700 8 9
0 0 5 1 8
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Input Test CasePlease enter only one test case at a time
numpy has been already imported as np (import numpy as np)