python tutorial -23 step by step full course 2019

Loops are control structures used to repeat a given section of code a certain number of times or until a particular condition is met. Visual Basic has three main types of loops: for..next loops, do loops and while loops. For loop. In computer science, a for-loop (or simply for loop) is a control flow statement for specifying iteration, which allows code to be executed repeatedly. Various keywords are used to specify this statement: descendants of ALGOL use “for”, while descendants of Fortran use “do”.

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