Python Ch 2
Which of the following is not a valid variable identifier?
(A. 88Keys) B. numcredits C. HeSaidSheSaid D. Y2K
Which of the following contain the correct arithmetic operators in Python?
+, -, *, /, //, **
A numeric literal may be an_____or______value
0-9 + -
. Python, the resulting value from a numeric calculation resulting in arithmetic under flow is:
0.0
A calculated result too small to be represented is referred to as________.
0.0
underflow and Overflow
10**-308 to 10**308 with 16 to 17 digits of percision
Indicate what is displayed by the following print statement, for n = 8.096 print('n = ', format(n,'.1f'))
8.1
The_______and_______characters are used in format specifiers in Python to left or right justify a string in a specified field width.
< >
In Python, an empty string is denoted by:
A pair of single quotes containing one blank space A pair of double quotes containing one blank space A pair of matching single or double quotes with no space between them
A backslash \n at the end of a line of a Python program is used to
Allow for an open quoted string to be continued on the next line
The________________operator is used to assign a value to a variable
Assinment
**
Eponentiation
What is displayed by the following? print(format( '-', '->8 '), 'Hello ')
Hello
A numeric literal may be an____or______value
Integer floating-piont
An identifier that already has a predefined meaning in Python, and therefore cannot be used as a variable, is known as a_____________.
Keyword
In Python, string literals may contain
Letters, Digits, Blanks, Spaces, Special Characters.
The number of characters that can be defined in the Unicode character encoding scheme is
Over 4 billion characters
In Python, a string literal can contain
Single quotes, when the string value is delimited by matching double quote Double quotes, when the string value is delimited by matching single quote
The default character encoding scheme of Python_____________.
UTF-8
+
add
Values can be converted from one data type to another by
coercion type conversion
/
division
The built-in____________function of Python can be used to control the display of bothnumeric and string values
format
Assume that variables k and num have both been initialized to 10, which of the following is true?
id(k) and id(num) will be the same because they are variables, but not id(10)because it is an immutable valu
An _______________is a sequence of one or more characters that must not begin with a digit.
identifier
1. Python, the resulting value from a numeric calculation resulting in arithmetic overflow is
inf
%
modulus gives remainder
-x
negation or negative number
-
subtract
*
times
//
truncating div evaluates and cuts of numbers behind decimal point. also doesn't round up.
