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A basic example of string searching is when the pattern and the searched text are arrays of elements of an alphabet Σ. Σ may be a human language alphabet, for example, the letters A through Z and other applications may use a binary alphabet (Σ = {0,1}) or a DNA alphabet (Σ = {A,C,G,T}) in bioinformatics.
Implements template {{Str find word}}. This module looks for a word being present in a comma-separated list of words. It then returns a True or False value. By default, the True-value returned is the found word itself; the False-value is a blank string. For example, in the source string ' foo, bar ' the word ' bar ' appears, but the word ...
This list of chemical elements named after places includes elements named both directly and indirectly for places. 41 of the 118 chemical elements have names associated with, or specifically named for, places around the world or among astronomical objects.
Python uses the + operator for string concatenation. Python uses the * operator for duplicating a string a specified number of times. The @ infix operator is intended to be used by libraries such as NumPy for matrix multiplication. [98] [99] The syntax :=, called the "walrus operator", was introduced in Python 3.8. It assigns values to ...
Tennessine and Californium were named after American states Tennessee and California respectively. Dubnium and Moscovium were named after Russia's Dubna [23] and Moscow cities. Several places in Scandinavia have elements named after them. Yttrium, terbium, erbium, and ytterbium are all named for the Swedish village of Ytterby, where their ores ...
A chemical element, often simply called an element, is a type of atom which has a specific number of protons in its atomic nucleus (i.e., a specific atomic number, or Z). [ 1 ] The definitive visualisation of all 118 elements is the periodic table of the elements , whose history along the principles of the periodic law was one of the founding ...
Named after the US state of Tennessee, itself named after the Cherokee village of áážá (tanasi), where important work for one of the steps to synthesise the element was done in the Oak Ridge National Laboratory. · Former names: eka-astatine, [21] ununseptium (Uus, '117'): temporary systematic name and symbol. [61] Oganesson (Og) 118
It is an actinide element, the sixth transuranium element to be synthesized, and has the second-highest atomic mass of all elements that have been produced in amounts large enough to see with the naked eye (after einsteinium). It was named after the university and the U.S. state of California.