Python Institute PCED - Certified Entry-Level Data Analyst with Python : PCED-30-02

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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 developing a temperature control module for a laboratory incubator. Your objectives are to:
- generate timestamps every 10 minutes over a 3-hour span (i.e., 0 to 180 minutes), and
- simulate five evenly spaced target temperatures between 35.0°C and 37.0°C for system calibration.
Which code snippet correctly produces both sequences using NumPy? Select the best answer.
import numpy as np

A) timestamps = np.arange(0, 181, 10)
target_temps = np.linspace(35.0, 37.0, 5)
B) timestamps = np.arange(0, 180, 10)
target_temps = np.linspace(35.0, 37.0, 4)
import numpy as np
C) timestamps = np.linspace(0, 181, 10)
target_temps = np.arange(35.0, 37.0, 0.5)
import numpy a3 np
D) timestamps = np.linspace(0, 180, 10)
target_temps = np.arange(35.0, 37.0, 5)
import numpy as np

2. A variable is assigned using chained assignment: a = b = c = 10. The developer then changes b =
5. What will be the value of a after this operation?

A) 10
B) Error
C) 5
D) None

3. 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) Error
B) 15
C) "555"
D) 8

4. A student writes a program using input() to collect user data, then tries to add 5 to the input value without conversion. The program crashes. What is the most likely cause of this behavior?

A) input returns float
B) input returns string
C) input returns int
D) Syntax error

5. Which of the following statements about Python functions are correct? (Choose two.)

A) Functions can only return numeric values or strings.
B) Default parameters must always come before required ones in the parameter list.
C) Positional arguments must be passed in the order defined, while keyword arguments can be passed in any order using their parameter names.
D) passexecutes the function body and returns its result.
E) A function cannot call itself or be passed as an argument to itself.
F) If a function does not contain a returnstatement, it returns Noneby default.

Solutions: