Using None to index all elements
""" | |
You have a function that takes an argument, this argument is the index of the last element you want to show from an | |
array. At some point you want found out that you want to use this function but grab all elements. Just pass None. | |
""" | |
def some_function(last_idx): | |
print(some_arr[:last_idx]) | |
some_arr = range(100) | |
last_idx = 5 | |
some_function(last_idx) | |
last_idx = None | |
some_function(last_idx) |
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