Soluții

Create a lap timer with Python

The user needs to press ENTER to complete each lap. The timer keeps counting till CTRL+SHIFT is pressed.For each lap we calculate the lap time by subtracting the current time from the total time at the end of the previous lap. The time() function of the time module, returns the current epoch time in milliseconds.

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Delete a file with Python

To delete a file with this script, we can use the os module.It’s recommended to check with a conditional if the file exist before calling the remove() function from the module:

import os

if os.path.exists("<file_path>"):
  os.remove("<file_path>")
else:
  <code>
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Write to a File in Python

To replace the content completely, we use the "r" mode, so we pass this string as the second argument to open(). We call the .write() method on the file object passing the content that we want to write as argument.

For example:

words = ["Blue", "Amazing", "Python", "Code"]

with open("famous_places.txt", "r") as file:
    for word in words:
        file.write(word + "\n")
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How to Read Files in Python

it’s recommended to use with statement to work with files because it opens them only while we need them and it closes them automatically.

To read a file, we use this syntax:

with open("<file_path>") as <file_var>:
    <code>
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