Questão 1
Questão
What does the function subroutine do?
def subroutine(n):
while n>0:
print(n,)
n-=1
Responda
-
Counts down from 10 to 0 and displays each number
-
Counts from n down to 1 and displays each number
-
Calculates the sum of n numbers greater than 0
-
Calculates the mean of n
Questão 2
Questão
What output will the following python command produce:
>>>percentage = float (60*100)/50
>>>print(percentage)
Responda
-
percentage
-
109
-
109.0909090909091
-
109.0
Questão 3
Questão
What outputs will the following python commands produce:
n=10000
count=0
while n:
count=count+1
n=n//10
print(count)
Questão 4
Questão
What output will the following python commands produce:
x=5
if x%2==0:
print(x)
else:
print(x,x%2)
Questão 5
Questão
What is the output of the following statements?
pi=float(3.14159)
print(pi)
Questão 6
Questão
Expressions evaluate to either True or False:. What will the output of the following code be when the expression "Ni!" is evaluated?
if "Ni!"
print("We are the knights who say, "Ni!")
else
print("Stop it! No more of this!")
Responda
-
Stop it!
-
We are the knights who say, "Ni!"
-
Stop it! No more of this!
-
No output will be produced
Questão 7
Questão
What output will the following python commands produce:
x=1
y=2
if x==y:
print(x,"and",y,"are equal")
else
if x<y:
print(x,"is less than", y)
else
print(x,"is greater than",y)
Responda
-
1 and 2 are equal
-
1 is less than 2
-
1 is greater than 2
-
2 is greater than 2
Questão 8
Questão
The following code is an example of what principle?
bruce=5
print(bruce,)
bruce=7
print(bruce)
Questão 9
Questão
The % or modulus operator returns the remainder present when two integers do not divide evenly into one another
Questão 10
Questão
An algorithm is a step by step process for solving a problem
Questão 11
Questão
Functions allow the programmer to encapsulate and generalize sections of code.
Questão 12
Questão
One way to generalize a function is to replace a variable with a value.
Questão 13
Questão
A variable name defined in a function cannot appear in the calling program because it will cause a conflict error.