31 lines
679 B
Markdown
31 lines
679 B
Markdown
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# Exercise 1.6 - Solution
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## (b) Main Module
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```python
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# pcost.py
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def portfolio_cost(filename):
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total_cost = 0.0
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with open(filename) as f:
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for line in f:
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fields = line.split()
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try:
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nshares = int(fields[1])
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price = float(fields[2])
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total_cost = total_cost + nshares * price
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# This catches errors in int() and float() conversions above
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except ValueError as e:
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print("Couldn't parse:", line)
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print("Reason:", e)
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return total_cost
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if __name__ == '__main__':
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print(portfolio_cost('Data/portfolio.dat'))
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```
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[Back](ex1_6.md)
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