Simple Python Tutorial to introduce range() with it's parameters
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Simple python example and short video to illustrate the use range() to construct a "for" loop to repeat a number of time. It explains the 3 parameters that range() has. We can have a choice of passing in 1 or 2 or 3 input values to range. It further explains how the 3 values affect how the range() functions. The example are focused on helping a beginner understand how to use range() in a "for" loop.
3 parameters of the range()
range( [start], stop, [step] )
the square bracket indicates these parameter are optional. if there are not specified, they take on default value.
[start] default to a value 0.
[step] deafult to a value +1.
so range(5) is effectively equals to range(0,5,+1)
range(1,5) is effectively equals to range(1,5,+1)
After understanding how range() works, you can used it in different situations depending on the need. It is most commnly used to just repeat statement(s) a certain number of times and display a counter as it repeats. On certain occasion, you need odd numbers or even numbers where you can then configure the Change/step.
You can use the link below to see some related videos
(Apart from watching the video, you can also show more info to read on the explanation.)
== More on how "for" loop works ==
• Simple Python Tutorial to introduce "for" ...
== how "while" loop works works ==
• Simple Python Tutorial to introduce "while...
Hope these inputs are helpful for you.
0:00 - range() and it's 3 parameters
0:59 - range() with 1 input value passed in (most common and simplest)
02:09 - range() with 2 input value passed in
02:47 - range() with 3 input value passed in
03:12 - range() with 3 input value passed in with negative step value
Keywords:
#python
#for
#range()
#parameters
#start
#stop
#step
#change
#repeats
#loop
#loops
#counter
#counter-controlled
#tutorial
#short
#simple
#easy
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