Q47:
names1 = ['Amir', 'Barry', 'Chales', 'Dao']
names2 = names1
names3 = names1[:]
names2[0] = 'Alice'
names3[1] = 'Bob'
sum = 0
for ls in (names1, names2, names3):
if ls[0] == 'Alice':
sum += 1
if ls[1] == 'Bob':
sum += 10
print sum
- 11
- 12
- 21
- 22
- 33
Q48:
names1 = ['Amir', 'Barry', 'Chales', 'Dao']
loc = names1.index("Edward")
print loc
- -1
- 0
- 4
- Edward
- An exception is thrown
Q49:
names1 = ['Amir', 'Barry', 'Chales', 'Dao']
if 'amir' in names1:
print 1
else:
print 2
- 1
- 2
- An exception is thrown
Q50:
names1 = ['Amir', 'Barry', 'Chales', 'Dao']
names2 = [name.lower() for name in names1]
print names2[2][0]
- i
- a
- c
- C
- An exception is thrown
Q51:
numbers = [1, 2, 3, 4]
numbers.append([5,6,7,8])
print len(numbers)
- 4
- 5
- 8
- 12
- An exception is thrown
Q52:
list1 = [1, 2, 3, 4]
list2 = [5, 6, 7, 8]
print len(list1 + list2)
- 2
- 4
- 5
- 8
- An exception is thrown
Q53:
def addItem(listParam):
listParam += [1]
mylist = [1, 2, 3, 4]
addItem(mylist)
print len(mylist)
- 1
- 4
- 5
- 8
- An exception is thrown
Q54:
my_tuple = (1, 2, 3, 4)
my_tuple.append( (5, 6, 7) )
print len(my_tuple)
- 1
- 2
- 5
- 7
- An exception is thrown
Q55:
a = 1
b = 2
a,b = b,a
print "%d %d" % (a,b)
- 1 2
- 2 1
- An exception is thrown
- This program has undefined behavior
Q56:
def print_header(str):
print "+++%s+++" % str
print_header.category = 1
print_header.text = "some info"
print_header("%d %s" %
(print_header.category, print_header.text))
- +++1 some info+++
- +++%s+++
- 1
- 1
- some info
Q57:
def dostuff(param1, *param2):
print type(param2)
dostuff('apples', 'bananas', 'cherry', 'dates')
- str
- int
- tuple
- list
- dict
Q58:
def myfunc(x, y, z, a):
print x + y
nums = [1, 2, 3, 4]
myfunc(*nums)
- 1
- 3
- 6
- 10
Q59:
class A:
def __init__(self, a, b, c):
self.x = a + b + c
a = A(1,2,3)
b = getattr(a, 'x')
setattr(a, 'x', b+1)
print a.x
- 1
- 2
- 3
- 6
- 7
Q60:
class NumFactory:
def __init__(self, n):
self.val = n
def timesTwo(self):
self.val *= 2
def plusTwo(self):
self.val += 2
f = NumFactory(2)
for m in dir(f):
mthd = getattr(f,m)
if callable(mthd):
mthd()
print f.val
- 2
- 4
- 6
- 8
- an exception is thrown
Q61:
one = chr(104)
two = chr(105)
print "%s%s" % (one, two)
- hi
- h
- Inside the mytools dir create a __init__.py and myparser.py
- 104105
- 104
Q62:
x = 0
y = 1
a = cmp(x,y)
if a < x:
print "a"
elif a == x:
print "b"
else:
print "c"
- a
- b
- c
Q63:
x = 1
y = "2"
z = 3
sum = 0
for i in (x,y,z):
if isinstance(i, int):
sum += i
print sum
- 2
- 3
- 4
- 6
Q64:
x = sum(range(5))
print x
- 4
- 5
- 10
- 15
Q65:
def getinput():
print "0: start"
print "1: stop"
print "2: reset"
x = raw_input("selection: ")
try:
num = int(x)
if num > 2 or num < 0:
return None
return num
except:
return None
num = getinput()
if not num:
print "invalid"
else:
print "valid"
- valid
- invalid
- An exception is thrown
Q66:
kvps = { '1' : 1, '2' : 2 }
theCopy = kvps
kvps['1'] = 5
sum = kvps['1'] + theCopy['1']
print sum
- 1
- 2
- 7
- 10
Q67:
kvps = { '1' : 1, '2' : 2 }
theCopy = kvps.copy()
kvps['1'] = 5
sum = kvps['1'] + theCopy['1']
print sum
- 1
- 2
- 6
- 10
Q68:
aList = [1,2]
bList = [3,4]
kvps = { '1' : aList, '2' : bList }
theCopy = kvps.copy()
kvps['1'][0] = 5
sum = kvps['1'][0] + theCopy['1'][0]
print sum
- 1
- 2
- 6
- 10
Q69:
import copy
aList = [1,2]
bList = [3,4]
kvps = { '1' : aList, '2' : bList }
theCopy = copy.deepcopy(kvps)
kvps['1'][0] = 5
sum = kvps['1'][0] + theCopy['1'][0]
print sum
- 1
- 2
- 6
- 10
Q70:
kvps = { '1' : 1, '2' : 2 }
theCopy = dict(kvps)
kvps['1'] = 5
sum = kvps['1'] + theCopy['1']
print sum
- 1
- 2
- 6
- 10
Q71:
kvps = { '1' : 1, '2' : 2 , '3' : 3, '4' : 4, '5' : 5}
newData = { '1' : 10, '3' : 30 }
kvps.update(newData)
x = sum(kvps.values())
print x
- 15
- 51
- 150
- 139