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String Manipulation in Python
course content

Course Content

String Manipulation in Python

String Manipulation in Python

1. Basic Concepts
Creating a StringMultiline StringsAccessing String ElementsString SlicingAdvanced SlicingNegative IndexingUsing IndicesStrings Concatenation
2. String Methods
CountingReplacingTrimmingSplittingSplitting the LinesJoining
3. Strings Formatting
f-strings ConceptionPositional FormattingFormatting with OrderingFormatting by KeysCalculating BMIAdvanced Formatting: PositioningAdvanced Formatting: SignAdvanced Formatting: Float, Round, and PercentCalculating and Formatting Dynamics

Replacing

Let's consider one more possible need when we need to replace some parts of the text.

Surely, Python can handle this. There is a built-in method .replace with 2 required arguments: oldvalue (what needs to be replaced) and newvalue (and replaced by what). For example, in the string "Hello, world!" we want to replace world by friend.


              
12

            
print("Hello, world!")
print("Hello, world!".replace('world', 'friend'))
copy

Note

  • String is an immutable data type in Python, accordingly, the methods we will learn will not change value of string, and will only return a copy of the string.
  • You can apply .replace sequentially (s.replace('a', 'b').replace('c', 'd')).

Task

Given string topic "Data Visualization in R". You need to replace Visualization with Manipulation, and R with Python, save the result in new_topic, and print it.

Task

Given string topic "Data Visualization in R". You need to replace Visualization with Manipulation, and R with Python, save the result in new_topic, and print it.

Switch to desktop for real-world practiceContinue from where you are using one of the options below

Everything was clear?

Section 2. Chapter 2
toggle bottom row

Replacing

Let's consider one more possible need when we need to replace some parts of the text.

Surely, Python can handle this. There is a built-in method .replace with 2 required arguments: oldvalue (what needs to be replaced) and newvalue (and replaced by what). For example, in the string "Hello, world!" we want to replace world by friend.


              
12

            
print("Hello, world!")
print("Hello, world!".replace('world', 'friend'))
copy

Note

  • String is an immutable data type in Python, accordingly, the methods we will learn will not change value of string, and will only return a copy of the string.
  • You can apply .replace sequentially (s.replace('a', 'b').replace('c', 'd')).

Task

Given string topic "Data Visualization in R". You need to replace Visualization with Manipulation, and R with Python, save the result in new_topic, and print it.

Task

Given string topic "Data Visualization in R". You need to replace Visualization with Manipulation, and R with Python, save the result in new_topic, and print it.

Switch to desktop for real-world practiceContinue from where you are using one of the options below

Everything was clear?

Section 2. Chapter 2
toggle bottom row

Replacing

Let's consider one more possible need when we need to replace some parts of the text.

Surely, Python can handle this. There is a built-in method .replace with 2 required arguments: oldvalue (what needs to be replaced) and newvalue (and replaced by what). For example, in the string "Hello, world!" we want to replace world by friend.


              
12

            
print("Hello, world!")
print("Hello, world!".replace('world', 'friend'))
copy

Note

  • String is an immutable data type in Python, accordingly, the methods we will learn will not change value of string, and will only return a copy of the string.
  • You can apply .replace sequentially (s.replace('a', 'b').replace('c', 'd')).

Task

Given string topic "Data Visualization in R". You need to replace Visualization with Manipulation, and R with Python, save the result in new_topic, and print it.

Task

Given string topic "Data Visualization in R". You need to replace Visualization with Manipulation, and R with Python, save the result in new_topic, and print it.

Switch to desktop for real-world practiceContinue from where you are using one of the options below

Everything was clear?

Let's consider one more possible need when we need to replace some parts of the text.

Surely, Python can handle this. There is a built-in method .replace with 2 required arguments: oldvalue (what needs to be replaced) and newvalue (and replaced by what). For example, in the string "Hello, world!" we want to replace world by friend.


              
12

            
print("Hello, world!")
print("Hello, world!".replace('world', 'friend'))
copy

Note

  • String is an immutable data type in Python, accordingly, the methods we will learn will not change value of string, and will only return a copy of the string.
  • You can apply .replace sequentially (s.replace('a', 'b').replace('c', 'd')).

Task

Given string topic "Data Visualization in R". You need to replace Visualization with Manipulation, and R with Python, save the result in new_topic, and print it.

Switch to desktop for real-world practiceContinue from where you are using one of the options below
Section 2. Chapter 2
Switch to desktop for real-world practiceContinue from where you are using one of the options below
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