Merge pull request #27 from Kushagra-0801/8-solution

Solution to issue 8

beginner/sum-earnings_Kushagra-0801.py

@@ -0,0 +1,21 @@
+"""Solution for Issue #8 (Sum Earnings Challenge)."""
+
+
+def sum_earnings(finance_data):
+    """Validate and process input."""
+    try:
+        required_nums = finance_data.count(',') + 1
+        history = list(map(int, finance_data.split(',')))
+        if len(history) != required_nums:
+            raise ValueError
+        balance = 0
+        for i in history:
+            balance += i
+            if balance < 0:
+                balance = 0
+        return balance
+    except ValueError:
+        return 0
+
+
+print(sum_earnings(input()))