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Explore Container Widget in Flutter A tutorial to help you understand the Container Widget in Flutter. Try out Container widget and it’s properties directly from DartPad Introduction to Container Widget It is a Widget that combines painting, posit...
Default Argument Values For some functions, you may want to make some parameters optional and use default values in case the user does not provide values for them. This is done with the help of default argument. Youcan specify a arguement as default ...
Local Variables When you declare variables inside a function , they are not related in any manner to outside the function(i.e the main block) This is called as Scope of the variables.Every variable inside your program have a Scope associated with it....
Functions Functions are reusable pieces of code. They allow you to give a name to a block of statements, allow you to use the functionality of the block any number of times in your program. This is known as calling the function. The Concept of Functi...
The break Statement The break statement is used to break out of a loop statement i.e. stop the execution of a looping statement, even if the loop condition has not become False or the sequence of items has not been completely iterated over. An import...
The while Statement The while statement allows you to repeatedly execute a block of statements as long as a condition is true. A while statement is an example of what is called a looping statement. A while statement can have an optional else clause. ...
Control Flow In the programs we have seen that there is always a series of statements executed by Python in top-down order. What if you wanted to change the flow of how it works? For example, we want the program to take some decisions and do differen...
This is the list of all available operators in Python with the order of execution
Escape Sequences Suppose, you want to have a string which contains a single quote (’), how will you specify this string? For example, the string is “What’s your name?”. You cannot specify ‘What’s your name?’ because Python will be confused as to wher...