Python Midterm
The proper style for variable names in Python is camelCase.
False
Variable names can have spaces.
False
A variable is really a pointer to an object
True
In Python, for variable names, lower case is frequently used.
True
In Python, for variable names, underscores can be used.
True
It is possible to change the data type of a variable.
True
The standard style in Python for variable names is lower case
True
This expression will yield which data type: False
bool
Choose the correct data type name in Python: bool, Boolean, boolean
correct: bool
Choose the correct data type name in Python: long, int, short, integer
correct: int
What is the name of the built-in function to read data from the user:
input()
name 8 built in functions
len(), input(), int(), print(), split(), bool(), map(), swapcase()
What is the name of the built-in function to display output:
print()
This expression will yield which data type: "python"
str
This expression will yield which data type: true
this will cause an error
Strings can be indicated with double quotes or single quotes.
true
Data types must be included in all variable declarations
False
The standard style in Python for variable names is camel case
False
This is a proper variable name: 1value
False
Data types must be mentioned when declaring variables.
True
Python is an interpreted language.
True
Python is case-sensitive.
True
Python will allow the data type for a variable to be changed
True
The standard style in Python for variable names is to use underscores when needed
True
Variable names cannot begin with a number
True
Variable names cannot have spaces
True
We can use single quotes or double quotes for strings.
True
We must state the data type of all variables
True
This expression will yield which data type: 'python'
str
This expression will yield which data type: 'true'
str
What is the name of the built-in function to convert a value to a string:
str()
- What data type must we always pass to the input() function?
string
Give an example of the result if we were to print what the type function returns?
string
What data type does the input() function always return?
string
All types in Python are considered to be "classes"
true
This is a proper variable name: value1
true
What are the two reserve words for bool?
true, false
What is the name of the built-in function to return the type of an object:
type()
Write the statement to ask the user to enter their name and save into a variable called username:
Username = input("Enter your name")
This expression will yield which data type: True
bool
Which of these is the valid Python data type: bool, char, double, short
correct: bool
Choose the correct data type name in Python: float, double, real
correct: float
Choose the correct data type name in Python: string, str, String
correct: str
This expression will yield which data type: 32.4
float
What is the name of the built-in function to convert a value to a floating-point number:
float()
This expression will yield which data type: 32
int
What is the name of the built-in function to convert a vlue to a whole number:
int()
name 5 built in data types
integers, strings, complex numbers, boolean, floating point numbers