Python - Variables and Dynamic Typing
Given
data = ['10', '20', '30'], which code converts all to integers and sums them?Given data = ['10', '20', '30'], which code converts all to integers and sums them?
hard📝 Application Q9 of 15
Step-by-Step Solution
Solution:
Step 1: Convert each string to integer
int(x) converts strings like '10' to integer 10.Step 2: Sum all converted integers
sum() adds all integers to get total.Final Answer:
total = sum(int(x) for x in data) -> Option CQuick Check:
Sum integers converted from strings [OK]
Quick Trick: Use sum(int(x) for x in list) to sum string numbers [OK]
Common Mistakes:
MISTAKES- Using float() when int() needed
- Using str() returns strings, not numbers
- Using bool() sums True/False values
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