Variables - Python | Lesson 3 (Free Coding Bootcamp)

Published: 03 December 2021
on channel: Code with Vincent

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In this lesson, we learn about variables and how it can be used to store a value.

To assign a value to a variable, we use an equal sign:
ex) myName = "Vincent"

There are 2 styles of coding: (Camel Case is the most used)
Camel Case: all words joined together, where each subsequent word's first letter is capitalized.

ex) myNameIs, theBigBrownFox

Snake Case: replace spaces with underscores

ex) my_name_is, the_big_brown_fox

There are many types for values, in this video we talk about 4 of them:

Strings: Sequence of characters
ex) "Hello World", "Cash Money $$$!@#@#@"

Integers: Any non decimal number
ex) 1, 0, -1

Floats: Any decimal number
ex) 3.14, 12.32, 123123213.1

Booleans: Either True or False

Pro Tip: If you don't know what something is, just print it!
If you don't know what the value is for a variable, you can print it:

myName = "Vincent"
print(myName)

You can also get the type of the variable or value with:
type(...)

ex)
myName = "Vincent"
print(type(myName))
print(type(123))

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Chapters
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0:00 Introduction
0:37 Creating a variable
0:58 How to name variables
1:38 Value types
1:46 Strings
2:04 Integers
2:08 Floats
2:14 Booleans
2:19 Naming variables
2:57 Printing variables
3:31 type() function

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