ENGR 102 EXAM 1 QUESTIONS AND ANSWERS GRADED A + LATEST UPDATES
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Course
ENGR 102
Institution
ENGR 102
. ENGR 102 EXAM 1 QUESTIONS AND
ANSWERS GRADED A + LATEST
UPDATES
What is an Interpreter? - ANSWER Translates information line by line. Execution often happens
right as the program is interpreted.
Is python interpreted or compiled? - ANSWER Interpreted
How do you p...
. 102 EXAM 1 QUESTIONS AND
ENGR
ANSWERS GRADED A + LATEST
UPDATES
What is an Interpreter? - ANSWER Translates information line by line. Execution often happens
right as the program is interpreted.
Is python interpreted or compiled? - ANSWER Interpreted
How do you print in python? - ANSWER print("Howdy, World!") Note: Will automatically
print a new line at the end of the statement
How does python compute 2+3*4? - ANSWER By using order of operations:
In order it does 3*4 and then adds two so it yields 14
Does python arithmetically follow parenthesis? - ANSWER Yes. Parenthesis take precedence.
How do you take 2 to the power of 10 in python? - ANSWER 2**10
How do you divide a number WITHOUT getting a remainder in python? - ANSWER By using
the // operator.
7//3 = 2
How do you get the remainder from a division operation in python? - ANSWER Using the
modulo: % operator.
7%3=1
How do you use the math library in python? - ANSWER #first method
from math import *
cos(0)
#second method
import math
math.cos(0)
#third method
from math import cos
cos(0)
What can variable names start with in python? - ANSWER A letter (uppercase or lowercase)
Underscore (NOT recommended)
,What can a python variable name contain? - ANSWER Letters (uppercase or lowercase)
Numbers (CANNOT be the first character in the name)
Underscore Characters
What sort of words can variables NOT be? - ANSWER Reserved Keyword
Examples:
for
while
What is the value of the variable PI at the end of this program?
PI = 3
r=5
area = 3 ** r***2
r += 2
PI = 10 - ANSWER PI is 10
What is the value of the variable r at the end of this program?
PI = 3
r=5
area = 3 ** r***2
r += 2
PI = 10 - ANSWER 7
What is the value of the variable area at the end of this program?
PI = 3
r=5
area = 3 ** r***2
r += 2
PI = 10 - ANSWER 75
What type of variable types can be printed using the print(x) function? - ANSWER A constant
fixed value
A variable
An expression
What are the common variable types in python? - ANSWER Integers
Floating-Point Numbers
Booleans
Strings
What is an integer? - ANSWER Integers - Can be positive or negative.
Examples:
1
2
100
0
, -20
What is a floating point number? - ANSWER Numbers with a decimal point.
Examples:
1.01
2.0
100.0
-20.05
0.0005
What is a boolean? - ANSWER A value of True or False
What is a string? - ANSWER A way of describing text. Individual characters that are "strung"
together.
How do you indicate that something is a string in python? - ANSWER Using either "" or ''.
"This is a string"
'So is this'
How would I print the following phrase in python:
Sam's dog bit me - ANSWER print("Sam's dog bit me")
How would I print the following phrase in python:
She said that "I need to study." - ANSWER print('She said that "I need to study."')
How do we include both ' and " in a string? - ANSWER 1. Use triple quotes to begin/end string
'''He said "I'm tired." '''
"""He said "I'm tired." """
2. Use the backslash (\) as an "escape" character:
'He said "I\'m tired." '
"He said \"I'm tired.\" "
How do you print a backslash (\)? - ANSWER print('Backslash: \\1')
Output:
Backslash: \1
How do you print a tab? - ANSWER print('Tab: \t2')
Output:
Tab: _____2
How do you print a new line? - ANSWER print('Newline: \n3')
Output:
Newline:
3
how do you print a backspace? - ANSWER print('Backspace: \b4')
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