Example
Variable Number of Arguments *args
Operator * allows accepting any number of positional arguments.
Results for “len”
Showing 51–60 of 68
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Example
Creating Sets
Sets store only unique elements without a specific order.
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Example
Creating Dictionaries
Dictionaries store data as key-value pairs. Fast access to data by key.
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Example
Creating Tuples
Tuples are immutable lists. Once created, they cannot be modified.
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Example
List Methods - append, insert, pop
Adding and removing elements from list. Methods append, insert, pop and remove.
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Example
List Indexing and Modification
Accessing list elements by index. Changing and removing elements.
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Challenge
Index by ID
Build a dict that maps every cargo ID to its record, so any item is found with one lookup instead of a search through the list, then answer a list of requests, including an ID that isn't on the…
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Challenge
Mass by category
Add up the cargo mass of each category into a dict with totals[category] = totals.get(category, 0) + mass, then list the categories from heaviest to lightest with their share of the load.
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Example
Dynamic Typing
Python allows changing variable type during program execution. This is dynamic typing.
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Challenge
Never-ending wait
…it never did: No lock after 6 s After the loop, second < len(strengths) tells the two endings apart. Put the length check first in the while condition.