Python String Operations and Methods

What is the output of the following Python code?
s = "cbse@2024"
count = 0
for char in s:
----if char.isdigit():
--------count += 1
print(count)

• 3

• 4

• 5

• 9

What is the output of the following Python code?
s = "Python"
result = ""
for i in range(len(s)):
------if i % 2 == 0:
---------result += s[i].upper()

---

---

---

---

---

-- - - else:
----------result += s[i].lower()

print(result)

• "pYtHoN"

• "PyThOn"

• "PYTHON"

• "pYtHon"

What is the output of the following Python code?
s = "hello PYTHON"
new_s = ""
for char in s:
----if char.islower():
------new_s += char.upper()
----elif char.isupper():
------new_s += char.lower()
----else:
-------new_s += ' '
print(new_s)

• "HELLO python"

• "HELLO*PYTHON"

• "hELLO*python"

• "HELLO*python"

What is the output of len(" Python ".strip())?

• 10

• 8

• 6

• 4

Which method converts the first character of a string to uppercase and the rest to lowercase?

• title()

• upper()

• capitalize()

• casefold()

If s = "InDiA", what will s.title() return?

• "INDIA"

• "india"

• "InDia"

• "India"

What is the key difference between str.find() and str.index()?

• find() searches from the end, while index() searches from the beginning.

• index() returns -1 if the substring is not found, while find() raises a ValueError.

• find() returns -1 if the substring is not found, while index() raises a ValueError.

• There is no difference; they are aliases for the same method.

Given s = "PYTHON", what is the output of s.lower().count('o')?

• 0

• 1

• 2

• Error

If s = "mississippi", what is the output of s.find('ss', 4)?

• 2

• 5

• 4

• -1

True or False: The len() function includes all characters, including spaces, when calculating the length of a string.

• True

• False