🐍 Python Practice Answer– Part 3 (List & String Based)

Python Practice Questions – Part 3 (Answers)

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🔹 Answer 26 – Create a List

nums = [10, 20, 30, 40, 50]

print(nums)

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🔹 Answer 27 – List Length

nums = [10, 20, 30, 40, 50]

print("Length =", len(nums))

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🔹 Answer 28 – Sum of List Elements

nums = [10, 20, 30, 40, 50]

total = 0

for i in nums:

    total += i

print("Sum =", total)

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🔹 Answer 29 – Largest Element in List

nums = [10, 20, 5, 40, 15]

largest = nums[0]

for i in nums:

    if i > largest:

        largest = i

print("Largest =", largest)

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🔹 Answer 30 – Smallest Element in List

nums = [10, 20, 5, 40, 15]

smallest = nums[0]

for i in nums:

    if i < smallest:

        smallest = i

print("Smallest =", smallest)

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🔹 Answer 31 – Count Even Numbers

nums = [10, 21, 30, 45, 50]

count = 0

for i in nums:

    if i % 2 == 0:

        count += 1

print("Even count =", count)

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🔹 Answer 32 – Reverse a List

nums = [10, 20, 30, 40, 50]

nums.reverse()

print(nums)

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🔹 Answer 33 – Check Element Exists

nums = [10, 20, 30, 40, 50]

val = int(input("Enter value: "))

if val in nums:

    print("Element exists")

else:

    print("Element not found")

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🔹 Answer 34 – Remove Duplicate Elements

nums = [10, 20, 20, 30, 40, 40]

unique = []

for i in nums:

    if i not in unique:

        unique.append(i)

print(unique)

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🔹 Answer 35 – Sort a List

nums = [40, 10, 30, 20, 50]

nums.sort()

print(nums)

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🔹 Answer 36 – String Length

text = input("Enter a string: ")

print("Length =", len(text))

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🔹 Answer 37 – Count Vowels

text = input("Enter a string: ")

count = 0

for ch in text:

    if ch in "aeiouAEIOU":

        count += 1

print("Vowel count =", count)

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🔹 Answer 38 – Reverse a String

text = input("Enter a string: ")

print(text[::-1])

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🔹 Answer 39 – Palindrome String

text = input("Enter a string: ")

if text == text[::-1]:

    print("Palindrome")

else:

    print("Not a Palindrome")

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🔹 Answer 40 – Count Words

sentence = input("Enter a sentence: ")

words = sentence.split()

print("Word count =", len(words))

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Kalvi Vaanam Note:
List & String concepts strong ஆக practice பண்ண இந்த programs உதவும் 👍