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WGU D522 PYTHON EXAM WITH COMPLETE 200 QUESTIONS AND DETAILED SOLUTIONS LATEST UPDATE THIS YEAR
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WGU D522 PYTHON EXAM WITH COMPLETE 200 QUESTIONS AND DETAILED SOLUTIONS LATEST UPDATE THIS YEAR
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Page 1 of 60WGU D522 PYTHON EXAM WITH COMPLETE 200
QUESTIONS AND DETAILED SOLUTIONS LATEST
UPDATE THIS YEAR
WGU D522 Python
What is Syntax Error?
contains invalid code that cannot be understood
What is Indentation Error?
lines of the program are not properly indented
What is a Value Error?
invalid value is used (e.g., int(three))
What is a Name Error?
program tries to use a variable that does not exist
What is a Type Error?
operation uses incorrect types (e.g. int(5) + string(four))
How do you check which version of Python editor you have?
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import sys
print(sys.version)
How do you edit, save, and run a Python file?
edit = can edit in a text editor
save = save as file.py
run = in command prompt, type file.py
Can you run Python in the Command Line?
type python or py
you will see Python version information and >>>
when you are finished, type exit( )
What is unique about Python script formatting?
relies on indentation (whitespace) to define scope instead of curly brackets
Which Python datatypes are used to store arrays?
list, tuple, set, and dictionary
Which Python datatypes allow arrays with duplicates?
list and tuple
Which Python datatypes are for ordered arrays?
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list, tuple, dictionary
Which Python datatypes are unchangeable?
tuple and set
What kind of variable would x = [ ] result in?
list
How do you determine how many items are in a list?
print(len(yourlist))
What are some characteristics of a list?
ordered; changeable; allows duplicate values; new values added to the end of the list; indexed
(first value if 0, second value is 1, etc.); values can be any datatype (and a mix of datatypes)
What are some characteristics of a tuple?
ordered; unchangeable; allows duplicate values
What are some characteristics of a set?
unordered; unchangeable (you can add or remove items, but you cannot change an item);
unindexed
What are some characteristics of a dictationary?
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ordered; changeable; no duplicates
print(10 > 9)
print(10 == 9)
print (10 < 9)
Boolean
print(bool("Hello"))
print(bool("15"))
print(bool(x))
Boolean examples of True
print(bool(False))
print( )
print(0)
Boolean examples of False
print(isinstance(x, int))
determine if an object is of a certain data type
int( )
casts an integer from an integer literal, float literal, or string literal
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