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Dictionary

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Jure Šorn 5 years ago
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b82cd724cf
1 changed files with 8 additions and 8 deletions
  1. 16
      README.md

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README.md

@ -63,17 +63,17 @@ Dictionary
``` ```
```python ```python
value = <dict>.get(key, default=None) # Returns default if key does not exist.
value = <dict>.setdefault(key, default=None) # Same, but also adds default to dict.
<dict> = collections.defaultdict(<type>) # Creates a dictionary with default value of type.
<dict> = collections.defaultdict(lambda: 1) # Creates a dictionary with default value 1.
value = <dict>.get(key, default=None) # Returns default if key does not exist.
value = <dict>.setdefault(key, default=None) # Same, but also adds default to dict.
<dict> = collections.defaultdict(<type>) # Creates a dictionary with default value of type.
<dict> = collections.defaultdict(lambda: 1) # Creates a dictionary with default value 1.
``` ```
```python ```python
<dict>.update(<dict>) # Or: dict_a = {**dict_a, **dict_b}.
<dict> = dict(<collection>) # Initiates a dict from coll. of key-value pairs.
<dict> = dict(zip(keys, values)) # Initiates a dict from two collections.
<dict> = dict.fromkeys(keys [, value]) # Initiates a dict from collection of keys.
<dict>.update(<dict>) # Or: dict_a = {**dict_a, **dict_b}.
<dict> = dict(<collection>) # Initiates a dict from coll. of key-value pairs.
<dict> = dict(zip(keys, values)) # Initiates a dict from two collections.
<dict> = dict.fromkeys(keys [, value]) # Initiates a dict from collection of keys.
``` ```
```python ```python

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