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Introduction to Data Analysis in Python
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Introduction to Data Analysis in Python

Introduction to Data Analysis in Python

1. Basics
What is Python?Hello, Python!CommentsChallengeMath SkillsVariablesNaming Rules and Conventions
2. Data Types
Data Types in PythonNumeric TypesWhat is a String?Multiline StringsConcatenationAccessing String ElementsWhat is a List?Updating Lists
3. Control Flow
Boolean TypeIf/else StatementsIndentationIf/elif/elseChallenge 1Challenge 2For LoopIncrementing and DecrementingWhile Loop
4. Functions and Modules
Built-in FunctionsImporting ModulesUsing ModulesChallengeDefining FunctionsChallengeLambda Functions
5. Introduction to NumPy
What is the NumPy?NumPy ArraysArrays OperationsAggregate Functions2-D ArraysAggregating in 2-D Arrays

bookConcatenation

Let's consider the operations you can do with strings.

First, you may write several lines together by concatenating them (using the + operator). If you need to write some number together with a string, you should convert a number to string by using the str() function.


              
123456

            
# Two strings and one number
string_1 = "I would like to learn Python more than "
number = 2
string_2 = " hours a day."
# Connect parts together
print(string_1 + str(number) + string_2)
copy

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