Loops in Python are used to execute a block of code repeatedly, either for a specified number of times or while a condition is true. They help automate repetitive tasks and simplify code.
Question 1
In programming, what is an iteration?
The repetition of steps within a program.
The order in which instructions are carried out
A decision point in a program
Testing a program to make sure it works
Question 2
To solve a problem that requires the user to enter 10 numbers would use what type of iteration?
While loop
For loop
If
Else
Question 3
What will be the output of the following code?
d = {0, 1, 2}
for x in d:
print(x)
0 1 2
{ 0, 1, 2} { 0, 1, 2}{ 0, 1, 2}
Error
No output
Question 4
What is the output of the following code?
True = False
while True:
print(True)
break
True
False
1
None of the above
Question 5
What is the output of the following nested loop?
n = [10, 20]
li = ["Chair", "Table"]
for x in n:
for y in li:
print(x, y)
10 Chair
10 Table
10 Chair
10 Table
20 Chair
20 Table
Error
No output
Question 6
What is the value of the var after the for loop completes its execution?
var=10
for i in range(10):
for j in range(2,10,1):
if var%2==0:
continue
var+=1
var+=1
else:
var+=1
print(var)
20
10
30
14
Question 7
What is the output of the following nested loop?
for num in range(10, 14):
for i in range(2, num):
if num%i == 1:
print(num)
break
10
11
12
13
12
14
Error
No output
Question 8
What is the output of the following code?
X=5;
while X>0:
X=X-1;
print(X)
5
4
3
2
1
0
4
3
2
1
0
5 4 3 2 1
4 3 2 1 0
Question 10
The best command to repeat a control statement a fixed number of times?
While loop
For loop
If
Else
There are 19 questions to complete.