Practice Classes and Objects – In the following code,
def A:
def __init__(self):
__a = 1
self.__b = 1
self.__c__ = 1
__d__ = 1
# Other methods omitted
Which of the following is a private data field?
Practice Polymorphism Questions – What will be displayed by the following code?
class A:
def __str__(self):
return“A”
class B(A):
def __str__(self):
return“B”
class C(B):
def __str__(self):
return“C”
def main():
b = B()
a = A()
c = C()
print(a, b, c)
main()
Practice Strings Questions – Which of the following statements is correct?
Practice Method Overriding Questions – What will be displayed by the following code?
class A:
def __init__(self, i = 0):
self.i = i
def m1(self):
self.i += 1
class B(A):
def __init__(self, j = 0):
A.__init__(self, 3)
self.j = j
def m1(self):
self.j += 1
def main():
b = B()
b.m1()
print(b.i, b.j)
main()
Practice Python Basics Questions – Which of the followin code is correct?
A.
print(“Programming is fun”)
print(“Python is fun”)
B.
print(“Programming is fun”)
print(“Python is fun”)
C.
print(“Programming is fun)
print(“Python is fun”)
D.
print(“Programming is fun)
print(“Python is fun”)
Practice File Operations Questions – To open a file c:scores.dat for binary writing, use __________.
Practice Recursion Questions – Show the output of the following code:
def f2(n, result):
if n == 0:
return0
else:
return f2(n – 1, n + result)
print(f2(2, 0))
Practice Lists programming – Suppose list1 is [3, 4, 5, 20, 5, 25, 1, 3], what is list1 after list1.extend([34, 5])?
Practice break statement Questions – Will the following program terminate?
balance = 10
while True:
if balance < 9: break
balance = balance – 9
Practice Python Graphics Questions – To set a turtle drawing speed to 5, use _________.
Practice Lists programming – What will be displayed by the following program?
values = [[3, 4, 5, 1], [33, 6, 1, 2]]
v = values[0][0]
for lst in values:
for element in lst:
if v > element:
v = element
print(v)
Practice Inbuilt Functions Questions – Is pow(a, b) the same as a ** b?
Practice Continue statement – What is sum after the following loop terminates?
sum = 0
item = 0
while item < 5:
item += 1
sum += item
if sum >= 4: continue
print(sum)
Practice Polymorphism Questions – What will be displayed by the following code?
class A:
def __init__(self, i = 2, j = 3):
self.i = i
self.j = j
def __str__(self):
return“A”
def __eq__(self, other):
return self.i * self.j == other.i * other.j
def main():
x = A(1, 2)
y = A(2, 1)
print(x == y)
main()
Practice File Operations Questions – To open a file c:scores.dat for binary reading, use __________.