DA0-002 Data Acquisition and Preparation Practice Question
A data analyst is using pandas to read a CSV file named 'sales.csv'. Which line of code correctly reads the file into a DataFrame?
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
import pandas as pd; df = pd.read_csv('sales.csv')
The pandas function read_csv reads a CSV file into a DataFrame.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
import csv; df = csv.read('sales.csv')
Why it's wrong here
csv.read is not a function.
- ✗
import pandas as pd; df = pd.read('sales.csv')
Why it's wrong here
No general read function.
- ✗
import numpy as np; df = np.read_csv('sales.csv')
Why it's wrong here
NumPy does not have read_csv.
- ✓
import pandas as pd; df = pd.read_csv('sales.csv')
Why this is correct
Correct syntax.
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