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  2. You can simply use the second argument of get. dict.get(col, None) The second argument is the default for when it can't find the key. The or in that case takes the thing before the or if it is something, otherwise takes whatever is after the or.
    stackoverflow.com/questions/37165403/python-dic…
    Professional Python developers prefer using the get () method over square bracket notation when accessing the value from a dictionary. Because the get () method returns the key's value if the key is present in the dictionary; otherwise, it returns None or a default value.
    www.techgeekbuzz.com/blog/python-dictionary-get/
    Python Dictionary get () Method return the value for the given key if present in the dictionary. If not, then it will return None (if get () is used with only one argument).
    www.geeksforgeeks.org/python-dictionary-get-met…
    The difference between the dict [key] syntax and dict.get () is that if a key is not found using the dict [key] syntax, a KeyError is raised. If you use dict.get () and a key is not found, the code will return None (or a custom value, if you specify one).
    careerkarma.com/blog/python-dictionary-get/
    You can use dict.get() value = d.get(key) which will return None if key is not in d. You can also provide a different default value that will be returned instead of None: value = d.get(key, "empty")
    stackoverflow.com/questions/6130768/return-a-def…
     
  3. People also ask
    How do I return a dict if a key is not found?Some code style notes about your current approach: You can chain together dict.get() functions and use the optional default argument and specify an empty dict to return instead of None if the key doesn't exist. Except, let the last .get() return None if the key is not found.
    How do I get a Python idiom from Dict?A fairly large Python idiom is EAFP . To easily get the same interface as dict.get is really simple with EAFP. path, default = path if isinstance(path, tuple) else (path, None) try: item = self.source for key in self._split(path): item = item[key] return item except KeyError: return default
    What does get() do in Python?When get() is called, Python checks if the specified key exists in the dict. If it does, then get() returns the value of that key (which is not exactly what you want). If the key does not exist, then get() returns the value specified in the second argument to get(). That being said, you should go with the first solution
    How do I get a default value from a dict in Python?return foo.get(key, None) The output for the above: PS: Note that above (as Graipher mentioned) it's enough to directly return foo.get(key) as None is the default value anyway. You usually want to use dict.get(key[, default]) when you need to assign default values. When get() is called, Python checks if the specified key exists in the dict.
     
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