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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

Sum of Numbers in Array of Strings

Extract and sum all numbers from array of strings.

AdvancedPhase 6 - Category 2: Array & String CombinationsExample 6 of 10
sum-of-numbers-in-array-of-strings.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# Extract and sum numbers
8total = 0
9for s in arr:
10    current_num = ""
11    for char in s:
12        if char.isdigit():
13            current_num += char
14        else:
15            if current_num:
16                total += int(current_num)
17                current_num = ""
18    if current_num:
19        total += int(current_num)
20

21print(f"Total sum: {total}")

Output

Enter number of strings: 3
String 1: Hello123
String 2: World456
String 3: Test789
Total sum: 1368

What's going on

Extract numbers from each string and sum.

Key Concepts:

Extract numbers from strings
Convert to integers
Accumulate sum

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