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

2. 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 string
B) Syntax error
C) input returns float
D) input returns int

3. Consider the following Python code:

What will be printed when the code above is executed?
40

A) [20, 30, 40]
1
[1, 2, 4, 5, 6]
B) [10, 20, 30, 40]
0
[1, 2, 3, 4, 5, 6]
50
C) [10, 20, 30, 40]
1
[1, 2, 4, 5, 6]
50
D) [20, 30, 40]
1
[1, 2, 4, 5, 6]
50

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

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

5. A program uses while False: followed by print statements inside the loop. The developer expects output. What will actually happen during execution?

A) Prints once
B) No execution
C) Error
D) Infinite loop

Solutions: