Initial commit

Solutions/1_4/pcost.py

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+# pcost.py
+
+def portfolio_cost(filename):
+    total_cost = 0.0
+    with open(filename) as f:
+        for line in f:
+            fields = line.split()
+            try:
+                nshares    = int(fields[1])
+                price      = float(fields[2])
+                total_cost = total_cost + nshares*price
+
+            # This catches errors in int() and float() conversions above
+            except ValueError as e:
+                print("Couldn't parse:", repr(line))
+                print("Reason:", e)
+
+    return total_cost
+
+print(portfolio_cost('../../Data/portfolio3.dat'))