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Python Institute PCED-30-02 Exam Syllabus Topics:

Python Institute PCED - Certified Entry-Level Data Analyst with Python Sample Questions:

1. You are reading a data.csvfile line by line. To prepare each line for formatting with f-strings, you need to remove extra whitespace and split the values by commas.
Which line should you insert to correctly clean and parse the input?

A) fields = line.strip().split(', ')
B) fields = line.split(', ').trim()
C) fields = line.split().strip(', ')
D) fields = line.replace(', ', '|').split('|')

2. Consider a Python program that assigns a string value "5" to a variable and then attempts to multiply it by an integer 3. The programmer expects numeric multiplication. What will actually happen when the code is executed?

A) 8
B) "555"
C) 15
D) Error

3. You are analyzing survey results from students about their favorite colors. The list colorsstores individual responses:

You want to:
- find the number of unique colors mentioned using NumPy, and
- determine how often each color was chosen using Counter.
Which code snippet correctly performs both tasks? Select the best answer.
from numpy import unique

A) from collections import Counter
unique_colors = len(set(colors))
color_counts = np.unique(colors)
B) from collections import Counter
unique_colors = np.unique(colors)
color_counts = Counter(set(colors))
import numpy as np
C) from collections import Counter
unique_colors = len(unique(colors))
color_counts = Counter(colors)
import numpy as np
D) from collections import Counter
unique_colors = Counter(colors)
color_counts = sum(np.unique(colors))
import numpy as np

4. Given the following string:
text = "Report2024Final"
Which of the following statements are entirely correct? (Choose two.)

A) text.capitalize()changes Finalto lowercase, and text.find ("L")returns True
B) text[6:8].isdigit()returns True, and text.endswith("Final")returns True
C) text[0:6].isalpha() returns True, and text.find("2024") returns 6
D) text.isalpha()returns True, and text.find ("2024")returns True
E) text.capitalize()changes Report2024Finalto REPORT2024FINAL, and text.find("2024")returns 6
F) text[-6].isdigit() returns True, text.startswith("r") returns True

5. What will be the output of the following code?

A) 5 10
B) 10 10
C) 10 5
D) 5 5

Solutions: