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3 years ago

If my_string = "This is MY string!", why does print (my_string[0:7:5]) return "Ti" and not

1 answer:

7 0

In Python, a string is an array of characters, we can access these characters using index operator []. For example, we have a_string = "Hello World" a_string[0] prints the first character in string ('H').

We can also use index operator to make substrings, for example a_string[0:3] will make a substring with first, second, third and fourth character equal to "Hell".

Now to business

my_string = "This is MY string!"

print(my_string[0:7]) # Prints "This is "

print(my_string[0:7:5]) # Prints "T" then prints the sixth character since we start counting at 0 hence prints "Ti" (note that space is also a character).

Hope this helps.

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3 years ago

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Sergio [31]

Answer:

import java.lang.Object

import java.lang.Math

public class RegularPolygon extends java.lang.Object{

public void randomize(RegularPolygon c){

int min = 10, max1 = 20;

double min1 = 5, max1 = 12;

double range = (max - min) + 1;

double range1 = (max1 -min1) + 1

int side = (Math.random() * range) + min;

double len = (Math.random() * range1) + min1;

c.setNumSides(side);

c.setSideLength( len);

}

public static void main(String[] args) {

RegularPolygon r = new RegularPloygon();

randomize(r);

}

Explanation:

The randomize method accepts a regular polygon class as its only parameter and assigns a random number of sides and the length of these sides with the 'Math.random' function.

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andreev551 [17]

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