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Python
Write a function intreverse(n) that takes as input a positive integer n and returns the integer obtained by reversing the digits in n.
Here are some examples of how your function should work.
>>> intreverse(783)
387
>>> intreverse(242789)
987242
>>> intreverse(3)
3
Here are some examples of how your function should work.
>>> intreverse(783)
387
>>> intreverse(242789)
987242
>>> intreverse(3)
3
Python
What is the value of h(231,8) for the function below?
def h(m,n):
ans = 0
while (m >= n):
(ans,m) = (ans+1,m-n)
return(ans)
def h(m,n):
ans = 0
while (m >= n):
(ans,m) = (ans+1,m-n)
return(ans)
Python
when opening a file, the “wt” parameter indicated that we:
want to append to the end of the text file.
want to write data to a text file.
that we are opening a binrary file.
that we are reading from a text file.
want to append to the end of the text file.
want to write data to a text file.
that we are opening a binrary file.
that we are reading from a text file.
Python
What is the value of h(231,8) for the function below?
def h(m,n):
ans = 0
while (m >= n):
(ans,m) = (ans+1,m-n)
return(ans)
def h(m,n):
ans = 0
while (m >= n):
(ans,m) = (ans+1,m-n)
return(ans)
Python
What is the value of h(231,8) for the function below?
def h(m,n):
ans = 0
while (m >= n):
(ans,m) = (ans+1,m-n)
return(ans)
def h(m,n):
ans = 0
while (m >= n):
(ans,m) = (ans+1,m-n)
return(ans)
Python
What is the value of h(231,8) for the function below?
def h(m,n):
ans = 0
while (m >= n):
(ans,m) = (ans+1,m-n)
return(ans)
def h(m,n):
ans = 0
while (m >= n):
(ans,m) = (ans+1,m-n)
return(ans)
Python
What is the value of mylist after the following lines are executed?
def mystery(l):
l = l + l
return()
mylist = [31,24,75]
mystery(mylist)
def mystery(l):
l = l + l
return()
mylist = [31,24,75]
mystery(mylist)
Python
What is the value of endmsg after executing the following lines?
startmsg = "hello"
endmsg = ""
for i in range(0,len(startmsg)):
endmsg = startmsg[i] + endmsg
startmsg = "hello"
endmsg = ""
for i in range(0,len(startmsg)):
endmsg = startmsg[i] + endmsg
Python
2.5 points
2.5 points
Consider the following lines of Python code.
x = [13,4,17,1000]
w = x[1:]
u = x[1:]
y = x
u[0] = 50
y[1] = 40
Which of the following is correct?
1) x[1] == 40, y[1] == 40, w[0] == 50, u[0] == 50
2) x[1] == 4, y[1] == 40, w[0] == 4, u[0] == 50
3) x[1] == 50, y[1] == 50, w[0] == 50, u[0] == 50
4) x[1] == 40, y[1] == 40, w[0] == 4, u[0] == 50
2.5 points
Consider the following lines of Python code.
x = [13,4,17,1000]
w = x[1:]
u = x[1:]
y = x
u[0] = 50
y[1] = 40
Which of the following is correct?
1) x[1] == 40, y[1] == 40, w[0] == 50, u[0] == 50
2) x[1] == 4, y[1] == 40, w[0] == 4, u[0] == 50
3) x[1] == 50, y[1] == 50, w[0] == 50, u[0] == 50
4) x[1] == 40, y[1] == 40, w[0] == 4, u[0] == 50
Python
One of the following 10 statements generates an error. Which one? (Your answer should be a number between 1 and 10.)
x = [1,"abcd",2,"efgh",[3,4]] # Statement 1
y = x[0:50] # Statement 2
z = y # Statement 3
w = x # Statement 4
x[1] = x[1] + 'd' # Statement 5
x[1][1] = 'y' # Statement 6
y[2] = 4 # Statement 7
z[0] = 0 # Statement 8
w[4][0] = 1000 # Statement 9
a = (x[4][1] == 4) # Statement 10
x = [1,"abcd",2,"efgh",[3,4]] # Statement 1
y = x[0:50] # Statement 2
z = y # Statement 3
w = x # Statement 4
x[1] = x[1] + 'd' # Statement 5
x[1][1] = 'y' # Statement 6
y[2] = 4 # Statement 7
z[0] = 0 # Statement 8
w[4][0] = 1000 # Statement 9
a = (x[4][1] == 4) # Statement 10
