Dictionaries in Python
What is a Python Dictionary? Dictionaries in Python is a data structure, used to store values in key:value format. This makes it different from lists, tuples, and arrays as in a dictionary each key has an associated value. Note: As of Python version 3.7, dictionaries are ordered and can not contain duplicate values.
Python def Keyword
Python def keyword is used to define a function, it is placed before a function name that is provided by the user to create a user-defined function. In Python, a function is a logical unit of code containing a sequence of statements indented under a name given using the "def" keyword. In Python def keyword is the most used keyword.
Oxford Learner's Dictionaries | Find definitions, translations, …
The largest and most trusted free online dictionary for learners of British and American English with definitions, pictures, example sentences, synonyms, antonyms, word origins, audio pronunciation, and more. Look up the meanings of words, abbreviations, phrases, and idioms in our free English Dictionary.
The @ Symbol Meaning & History | Webopedia
The amphora was a standard-sized terra cotta vessel used to carry wine and grain among merchants, and, according to Stabile, the use of the @ symbol ( the upper-case "A" embellished in the typical Florentine script) in trade led to its contemporary meaning of "at the price of.".