Podcast
Questions and Answers
Which variable name correction was crucial to fix the syntax errors in the given code?
Which variable name correction was crucial to fix the syntax errors in the given code?
- Changing 'value' to 'val' in the elif statement
- Changing 'VAL' to 'value' in the for loop
- Changing 'value' to 'VAL' in the print statement
- Changing 'val' to 'VAL' in the if statement (correct)
What error was fixed in the following corrected code?
for VAL in range (0,value):
if VAL %4 == 0:
print (VAL *4)
elif VAL %5 == 0:
print (VAL+3)
else:
print (VAL+10)
What error was fixed in the following corrected code?
for VAL in range (0,value):
if VAL %4 == 0:
print (VAL *4)
elif VAL %5 == 0:
print (VAL+3)
else:
print (VAL+10)
- Indentation error
- Logical error
- Syntax error (correct)
- Type error
Which of the following statements is true about the corrected code?
Which of the following statements is true about the corrected code?
- It prints multiples of 4 and 5 for values divisible by both.
- It prints multiples of 5 for values divisible by 5.
- It prints a fixed number for values divisible by both 4 and 5.
- It prints multiples of 4 for values divisible by 4. (correct)
In the fixed code, what happens when the value of VAL is 10?
In the fixed code, what happens when the value of VAL is 10?
Which logical construct is primarily used in the example code provided?
Which logical construct is primarily used in the example code provided?
What is the main purpose of the provided program?
What is the main purpose of the provided program?
Which of the following is a logical error in the provided program?
Which of the following is a logical error in the provided program?
What will be the output for the input string radar?
What will be the output for the input string radar?
What is the purpose of the line mid = length // 2?
What is the purpose of the line mid = length // 2?
Which variable name should be corrected for proper functioning of the program?
Which variable name should be corrected for proper functioning of the program?
What will be the output of the following code?
x = 'abcdef'
i = 'a'
while i in x:
print(i, end='')
What will be the output of the following code?
x = 'abcdef'
i = 'a'
while i in x:
print(i, end='')
What will be the output of the following code?
values = []
for i in range(1, 4):
values.append(i)
print(values)
What will be the output of the following code?
values = []
for i in range(1, 4):
values.append(i)
print(values)
Analyze the following code and identify the final values of 'x' and 'y'.
x = 10
y = 0
while x > y:
x = x - 1
y = y + 1
What will be the final value of 'y'?
Analyze the following code and identify the final values of 'x' and 'y'.
x = 10
y = 0
while x > y:
x = x - 1
y = y + 1
What will be the final value of 'y'?
Consider the following code snippet and its output:
x = 10
y = 0
while x > y:
print(x, y)
x = x - 1
y = y + 1
Which pair of numbers is printed at the last iteration?
Consider the following code snippet and its output:
x = 10
y = 0
while x > y:
print(x, y)
x = x - 1
y = y + 1
Which pair of numbers is printed at the last iteration?
How many iterations will the following loop run?
x = 10
y = 0
while x > y:
x = x - 1
y = y + 1
How many iterations will the following loop run?
x = 10
y = 0
while x > y:
x = x - 1
y = y + 1
What is the purpose of looping from 2 to n/2 in the prime number function?
What is the purpose of looping from 2 to n/2 in the prime number function?
What will be the output if we run the prime number function with n = 15?
What will be the output if we run the prime number function with n = 15?
Which of the following correctly describes the output of the cube function for i = 20?
Which of the following correctly describes the output of the cube function for i = 20?
How many times will "Hello" be printed in the provided while loop?
How many times will "Hello" be printed in the provided while loop?
What will be the printed output of the code for i in range(15, 18)?
What will be the printed output of the code for i in range(15, 18)?
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Study Notes
Python Code Examples
-
Example 1: Printing characters in a string
-
x = "abcdef"andi = "a"are assigned -
A while loop prints "a" repeatedly until
iis no longer inx -
Output:
aaaa -
Example 2: Appending values to a list
-
An empty list
valuesis created -
A for loop appends numbers from 1 to 3 to
valuesusingrange(1, 4) -
Output:
[1, 2, 3]
Python Revision Tour
- Code example: Printing
xandyvalues in a while loop xis initially 10, andyis initially 0- The loop continues until
xis no longer greater thany - Output:
xandyvalues decrementing and incrementing, respectively
Question 1: Correcting syntax errors
- Original code:
VALandvalmismatch in variable naming- Corrected code:
valis replaced withVALthroughout the code- Underlined corrections:
VAL%4,VAL%5, andVAL+10
Question 2: Palindrome checker
- Original code: incomplete and cropped
- Corrected code:
stris assigned user input usinginput("enter any string")lengthis calculated as the length of the input stringmidis calculated as half the length of the string- A loop checks if the string is a palindrome by comparing characters from the start and end
- Output: "It is a palindrome" if the string meets the condition, otherwise "it is not a palindrome"
Prime Number Checker
- Function
prime(n):- Takes an integer
nas input - Loops through numbers from 2 to
n/2 - Checks if
nis divisible by any number in the range - Prints "Number is not prime" if divisible, otherwise "Number is prime"
- Takes an integer
Printing Cubes of Numbers
- Code example:
- Loops from 15 to 50 using
range(15, 50) - Prints the cube of each number in the range
- Loops from 15 to 50 using
Printing "Hello" in a Loop
- Code example:
- Initializes
countto 0 - A while loop continues until
countreaches 10 - Prints "Hello" and increments
countin each iteration - Output: "Hello" printed 10 times
- Initializes
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