Published: August 23, 2017
Languages: English, Japanese, Chinese (Traditional), Chinese (Simplified), Spanish, Portuguese (Brazil), French, German, Korean
Audiences: IT professionals, Developers, Information workers
Technology: Python (version 3.6 or later)
Credit toward certification: MTA

Skills measured
This exam measures your ability to accomplish the technical tasks listed below. View video tutorials about the variety of question types on Microsoft exams.

Please note that the questions may test on, but will not be limited to, the topics described in the bulleted text.

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Perform Operations using Data Types and Operators (20-25%)
Evaluate an expression to identify the data type Python will assign to each variable
Identify str, int, float, and bool data types
Perform data and data type operations
Convert from one data type to another type; construct data structures; perform indexing and slicing operations
Determine the sequence of execution based on operator precedence
Assignment; Comparison; Logical; Arithmetic; Identity (is); Containment (in)
Select the appropriate operator to achieve the intended result
Assignment; Comparison; Logical; Arithmetic; Identity (is); Containment (in)

Control Flow with Decisions and Loops (25-30%)
Construct and analyze code segments that use branching statements
if; elif; else; nested and compound conditional expressions
Construct and analyze code segments that perform iteration
while; for; break; continue; pass; nested loops and loops that include compound conditional expressions

Perform Input and Output Operations (20-25%)
Construct and analyze code segments that perform file input and output operations
Open; close; read; write; append; check existence; delete; with statement
Construct and analyze code segments that perform console input and output operations
Read input from console; print formatted text; use of command line arguments

Document and Structure Code (15-20%)
Document code segments using comments and documentation strings
Use indentation, white space, comments, and documentation strings; generate documentation by using pydoc
Construct and analyze code segments that include function definitions
Call signatures; default values; return; def; pass

Perform Troubleshooting and Error Handling (5-10%)
Analyze, detect, and fix code segments that have errors
Syntax errors; logic errors; runtime errors
Analyze and construct code segments that handle exceptions
Try; except; else; finally; raise

Perform Operations Using Modules and Tools (1-5%)
Perform basic operations using built-in modules
Math; datetime; io; sys; os; os.path; random
Solve complex computing problems by using built-in modules
Math; datetime; random

QUESTION 1
You are writing an application that uses the sqrt function. The program must reference the function using the name squareRoot.
You need to import the function.
Which code segment should you use?

A. import math.sqrt as squareRoot
B. import sqrt from math as squareRoot
C. from math import sqrt as squareRoot
D. from math.sqrt as squareRoot

Answer: C

Explanation:
References: https://infohost.nmt.edu/tcc/help/pubs/python/web/import-statement.html

QUESTION 2
You are creating a function that manipulates a number. The function has the following requirements:

? A float is passed into the function
? The function must take the absolute value of the float
? Any decimal points after the integer must be removed

Which two math functions should you use? Each correct answer is part of the solution? (Choose two.)

A. math.fmod(x)
B. math.frexp(x)
C. math.floor(x)
D. math.ceil(x)
E. math.fabs(x)

Answer: D,E

QUESTION 3
The ABC company has hired you as an intern on the coding team that creates e-commerce applications.
You must write a script that asks the user for a value. The value must be used as a whole number in a calculation, even if
the user enters a decimal value.
You need to write the code to meet the requirements.
Which code segment should you use?

A. totalItems = input(“How many items would you like?”)
B. totalItems = float(input(“How many items would you like?”))
C. totalItems = str(input(“How many items would you like?”))
D. totalItems = int(input(“How many items would you like?”))

Answer: A

Explanation:

QUESTION 4

You develop a Python application for your school.
You need to read and write data to a text file. If the file does not exist, it must be created. If the file has content, the
content must be removed.

Which code should you use?

A. open(“local_data”, “r”)
B. open(“local_data”, “r+”)
C. open(“local_data”, “w+”)
D. open(“local_data”, “w”)

Answer: B

Explanation: