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1. Convert Array to String2. Convert String to Array of Digits3. Count Vowels in Array of Strings4. Find Longest String in Array5. Array of Palindrome Strings6. Sum of Numbers in Array of Strings7. Common Characters in Array of Strings8. Sort Strings by Length9. Count Total Words in Array of Strings10. Concatenate Array of Strings

Find Longest String in Array

Find longest string in array of strings.

IntermediatePhase 6 - Category 2: Array & String CombinationsExample 4 of 10
find-longest-string-in-array.py
1# Take array of strings
2n = int(input("Enter number of strings: "))
3arr = []
4for i in range(n):
5    arr.append(input(f"String {i+1}: "))
6

7# Find longest
8if arr:
9    longest = max(arr, key=len)
10    print(f"Longest string: {longest}")
11else:
12    print("Array is empty")

Output

Enter number of strings: 3
String 1: Hello
String 2: World
String 3: Programming
Longest string: Programming

What's going on

Use max() with key=len to find longest.

Key Concepts:

max() finds maximum
key=len uses length
Returns longest string

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