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Consider the following code. What is the output of divide(2,4)?
Consider the following code. What is the output of divide(2,4)?
def divide(a, b):
z = -1
try:
z = a / b
except ZeroDivisionError:
print('Can not divide by zero')
finally:
print('Result is', z)
a
Cannot divide by zero. Result is -1
b
Result is 0.5
c
Result is 2
d
Cannot divide by zero. Result is 2
Programmers can force their programs to throw an exception by using the _________ statement.
a
larch
b
break
c
def
d
raise
If no exception handler exists for an error type, then a(n) _______ may occur.
a
larch outbreak
b
bad grade
c
infinite loop
d
unhandled exception
The _________ keyword binds a name to the exception being handled.
a
larch
b
list
c
equals
d
as
What kind of exception will the following code snippet throw?
>>> add(3,'hello')
a
NameError
b
AttributeError
c
IOError
d
NumberTypeError
What is the output of the following code snippet?
class B(Exception):
pass
class C(B):
pass
class D(C):
pass
for cls in [B, C, D]:
try:
raise cls()
except D:
print("D")
except C:
print("C")
except B:
print("B")
a
B C D
b
C D B
c
D B C
d
B
What kind of error will the following code segment throw?
(x,y) = (3.14159,0)
z = x/y
a
A Larch
b
A ValueError
c
A ZeroDivisionError
d
A DivideByZeroError
Consider the following code. What is the output of divide(0,1)?
def divide(a, b):
z = -1
try:
z = a / b
except ZeroDivisionError:
print('Can not divide by zero')
finally:
print('Result is', z)
a
Cannot divide by zero. Result is -1
b
Result is 0.0
c
Result is 0
d
Cannot divide by zero. Result is 0
An AttributeError occurs if a function does not exist in an imported module. Fill in the missing code to handle AttributeErrors gracefully and generate an error if other types of exceptions occur.
import my_lib
try:
result = my_lib.larch()
____________:
print('No larch() function in my_lib.')
a
larch AttributeError
b
except AttributeError
c
AttributeError
d
except
If a programmer chooses not to use a built-in exception type, then she may use a ___________
exception type.
a
larch
b
custom
c
finally
d
default
