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Use context-manager to open and read file #53

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Use context-manager to open and read file #53

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  1. Use context-manager to open and read file.
  2. Add break for breaking out of the loop while reading a file to no wasting computer resources.

@khoivan88
Use context-manager to open and read file
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1. Use context-manager to open and read file.
2. Add `break` for breaking out of the loop while reading a file to no wasting computer resources.
janash
janash reviewed Mar 26, 2020
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@armcdona and I will discuss switching to using the with statement, and I will comment again on this PR. We do not wish to include break in this material.

Thank you for the tutorial link for f-string printing.

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