angular 4 services with example
When we write the angular source code we usually need some data functions that would be shared across different components in an application. In that condition, we have to write same function code in different components that don't make sense. In this scenario, we can...
functions in python
functions in python Function definition There are some simple rules to define a function in Python. They are as follows: Use the def keyword followed by function name with parentheses () Any argument to the function must be placed within these parentheses () The code...
Dictionary in Python
What is Dictionary a built-in data structure available in Python a dictionary is a sequence of key-value, or item, pairs separated by commas. Ex port = {22: "SSH", 23: "Telnet" , 53: "DNS", 80: "HTTP" } . In a list, values are indexed by the range of numbers, but in a...
List in Python with example
What is List: a built-in data structure available in Python a list of comma-separated values (items) between square brackets. It can contain heterogeneous values such as integers, floats, strings, tuples, lists, and dictionaries. Python lists are mutable; yes, they...