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Python FTW: Under the Hood

Yes, It Exists!

Explore how the else clause functions in Python loops and try blocks. Understand its role in indicating no breaks in loops and successful completion in try blocks to improve your code's clarity and control flow.

We'll cover the following...

The else clause for loops exists! One typical example might be:

Python 3.5
def does_exists_num(l, to_find):
      for num in l:
          if num == to_find:
              print(to_find, "Exists!")
              break
      else:
          print(to_find, "Does not exist")
some_list = [1, 2, 3, 4, 5]
does_exists_num(some_list, 4)
does_exists_num(some_list, -1)

The else clause in exception handling ...