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Popular digital marketing agency in navi mumbai

by THIS ACCOUNT WAS HACKED BY @MRBAN01 on telegram BY @MRBAN01 on telegram
 So now let's say I want to create a master list this time I'm not going to separate it into a list of lists but rather just one big list so I can call digital agency this monster list and I can set this equal to clothes list plus shopping, not shopping list or one plus grocery list and digital marketing agency in navi mumbai simply going to print off my master list on it. And this should print again everything in one big array so it's no longer an array of arrays. It's just all one big array. OK. So there are typical array operations and how to use them again. Practice on your own a bit and we'll move on to dictionaries. 

Dictionaries will be fairly short because they're actually similar-ish to arrays just have very slightly different prophecy in that each element in the dictionary is a key and value pair. So let's just start by commenting this out OK and let's whoops and let's get to creating some dictionaries. So where is the digital marketing agency in navi mumbai why when might we see stuff like dictionaries in code? Well to be honest anytime we have some kind of a mapping between some kind of a key and a value that's a good place for a dictionary for example very often in systems you'll have your employees or students or something have some kind of a number an IDS can be employee number student number etc..

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  •  And then the name associated with that number because names are not necessarily unique whereas numbers have to be. And this is the whole idea behind dictionaries is that the key is unique but not necessarily the value. 
  • So the syntax looks slightly different from a race. We start with the names so I'm going to call this list of students. OK. And instead of the square brackets like this, we're actually going to give the curly braces to tell the compiler This is a digital marketing agency in navi mumbai dictionary and then we're just going to input some key-value pairs.
  • So let's say my first key is. This is our very first employee and I put the code on and then the value that it takes on. So, in this case, I'm going to insert my own name. OK. So this is one key-value pair the key to the left of the colon.
  • Then the value to the right of the colon and then a comma indicating the next element. OK so, in this case, my key one corresponds to let's say I have an employee named Jill. OK. Key to my correspond to someone named Harry and three might respond to a digital marketing agency in navi mumbai might correspond to let's say, Lucy. OK. 
  • So just a random list of employees that I might have or I guess a list of students in this case and their respective keys. So I guess it's a good place to start would be just to print these guys out. So if I print my list of students get this done. 


It's just going to print out this dictionary here. As you can see key-value pairs quite clear. Now if I want to access individual elements I actually call upon the key but I get back the values found at that key. So if I wanted to get for example my very first guy. So this is my self I would call upon the key. So prints list of students at the Key. This is not index. This is the key. OK. So if I print them out as you can see I get Nimish back. So let's say I want the value found at the key to keep it just so happens that the digital marketing agency in navi mumbai keys corresponds with them in the indices. In this case. But that's not always going to be the case sometimes your keys might be strings. So if I get the value at the key to then as you can see I get back hairy which is appropriate.

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  •  That's exactly what we should expect. OK. Otherwise, we basically access and modify elements the same way so I can say something like lists of students. OK.
  •  The key is three is no longer Lucy. Maybe this is Torneo or something. The first name that came to mind. OK. So if I run this and that's fine. 
  • And now if I print out my list of students I basically replaced Lucy's value or the value found at key three with this value. Tanya Now the last thing digital marketing agency in navi mumbai might once in a dictionary is to print out just the keys or just the values.
  •  So I can print out something like a list of students talks keys. OK. And then similarly I can print my list of students taught values and this is Goans prints obviously my keys and my values respectively. 
  • As you can see I get an array of keys and the array of corresponding values below. OK, so that's really the basics of your dictionaries. And with that, we conclude our multivalue variable section. 
  • So they're actually not so difficult to work with a digital marketing agency in navi mumbai just have to get used to accessing elements by index and remembering that your index is always going well. 
  • I mean unless you use to zero indexing counting it's probably going to be one less than you think it is. Otherwise, as always, I encourage you to play around with these Elisabet yourselves.

 Give these a go try some new values try Craigs some lists of your own. Accessing isomer changing items cooling operations on these. So work with a digital marketing agency in navi mumbai arrays and dictionaries and once you're comfortable with that move on to the next topic which is going to be covering control flow in Python. So take a look at stuff like if statements and we'll take a look at some exciting loops and stuff which will allow us to make decisions about which code we want to execute in our programs.

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Created on May 15th 2019 07:01. Viewed 379 times.

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THIS ACCOUNT WAS HACKED BY @MRBAN01 on telegram Professional  BY @MRBAN01 on telegram
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Oct 15th 2019 15:12   
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