Q271. How Do You Handle Exceptions With Try/Except/Finally In Python?
Python lay down Try, Except, Finally constructs to handle errors as well as Exceptions. We enclose the unsafe code indented under the try block. And we can keep our fall-...
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Q272. How Do You Raise Exceptions For A Predefined Condition In Python?
We can raise an exception based on some condition. For example, if we want the user to enter only odd numbers, else will raise an exception. # Example - Raise an exceptio...
Q273. What is the Intl object?
The `Intl` object is the namespace for the ECMAScript Internationalization API, which provides language sensitive string comparison, number formatting, and date and time ...
Q274. How Do You Create A Dictionary In Python?
Let's take the example of building site statistics. For this, we first need to break up the key-value pairs using a colon(":"). The keys should be of an immutable type, i...
Q275. How Do You Read From A Dictionary In Python?
To fetch data from a dictionary, we can directly access using the keys. We can enclose a "key" using brackets […] after mentioning the variable name corresponding to the ...
Q276. How Do You Traverse Through A Dictionary Object In Python?
We can use the "for" and "in" loop for traversing the dictionary object. ```python >>> site_stats = {'site': 'tecbeamers.com', 'traffic': 10000, "type": "organic"} ``` >>...
Q277. How Do You Add Elements To A Dictionary In Python?
We can add elements by modifying the dictionary with a fresh key and then set the value to it. ```python >>> # Setup a blank dictionary ``` >>> site_stats = {} ```python ...
Q278. How Do You Delete Elements Of A Dictionary In Python?
We can delete a key in a dictionary by using the del() method. ```python >>> site_stats = {'site': 'tecbeamers.com', 'traffic': 10000, "type": "organic"} ``` >>> del site...
Q279. How to use composition API in Vue2.0?
Vue 2.0 does not have native support for the Composition API, but you can use it via the official plugin: `@vue/composition-api`. Let's see the usage in step-by-step inst...
Q280. How Do You Check The Presence Of A Key In A Dictionary?
We can use Python's "in" operator to test the presence of a key inside a dict object. ```python >>> site_stats = {'site': 'tecbeamers.com', 'traffic': 10000, "type": "org...