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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

bookPositional Formatting

Instead of printing a message with some variables inserted, we can save string as the pattern with {}, and then insert variables when needed.

To execute this, we use the same approach as for f-strings. For example, we can save a pattern as a variable. Let it be the following:

Having such string saved, we can now use .format method to fill the {} places. If we leave these places empty, then the positional approach will be applied.

To fill the {} places we use .format() method with all the variables we want to insert from left to right. The number of {} blocks and variables/values within .format function should be the same. In our example, it should be as follows:


              
123

            
pattern = "The price of the {} is {} $"
print(pattern.format("laptop", 1000))
print(pattern.format("sofa", 300))
copy

Task

Create string named greeting in the format "Glad to see you, name on this wonderful day!". name and day are variables, already created for you. Then, print this string with the name and day inserted in the correct order.

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Section 3. Chapter 2
toggle bottom row

bookPositional Formatting

Instead of printing a message with some variables inserted, we can save string as the pattern with {}, and then insert variables when needed.

To execute this, we use the same approach as for f-strings. For example, we can save a pattern as a variable. Let it be the following:

Having such string saved, we can now use .format method to fill the {} places. If we leave these places empty, then the positional approach will be applied.

To fill the {} places we use .format() method with all the variables we want to insert from left to right. The number of {} blocks and variables/values within .format function should be the same. In our example, it should be as follows:


              
123

            
pattern = "The price of the {} is {} $"
print(pattern.format("laptop", 1000))
print(pattern.format("sofa", 300))
copy

Task

Create string named greeting in the format "Glad to see you, name on this wonderful day!". name and day are variables, already created for you. Then, print this string with the name and day inserted in the correct order.

Switch to desktopSwitch to desktop for real-world practiceContinue from where you are using one of the options below
Everything was clear?

How can we improve it?

Thanks for your feedback!

Section 3. Chapter 2
toggle bottom row

bookPositional Formatting

Instead of printing a message with some variables inserted, we can save string as the pattern with {}, and then insert variables when needed.

To execute this, we use the same approach as for f-strings. For example, we can save a pattern as a variable. Let it be the following:

Having such string saved, we can now use .format method to fill the {} places. If we leave these places empty, then the positional approach will be applied.

To fill the {} places we use .format() method with all the variables we want to insert from left to right. The number of {} blocks and variables/values within .format function should be the same. In our example, it should be as follows:


              
123

            
pattern = "The price of the {} is {} $"
print(pattern.format("laptop", 1000))
print(pattern.format("sofa", 300))
copy

Task

Create string named greeting in the format "Glad to see you, name on this wonderful day!". name and day are variables, already created for you. Then, print this string with the name and day inserted in the correct order.

Switch to desktopSwitch to desktop for real-world practiceContinue from where you are using one of the options below
Everything was clear?

How can we improve it?

Thanks for your feedback!

Instead of printing a message with some variables inserted, we can save string as the pattern with {}, and then insert variables when needed.

To execute this, we use the same approach as for f-strings. For example, we can save a pattern as a variable. Let it be the following:

Having such string saved, we can now use .format method to fill the {} places. If we leave these places empty, then the positional approach will be applied.

To fill the {} places we use .format() method with all the variables we want to insert from left to right. The number of {} blocks and variables/values within .format function should be the same. In our example, it should be as follows:


              
123

            
pattern = "The price of the {} is {} $"
print(pattern.format("laptop", 1000))
print(pattern.format("sofa", 300))
copy

Task

Create string named greeting in the format "Glad to see you, name on this wonderful day!". name and day are variables, already created for you. Then, print this string with the name and day inserted in the correct order.

Switch to desktopSwitch to desktop for real-world practiceContinue from where you are using one of the options below
Section 3. Chapter 2
Switch to desktopSwitch to desktop for real-world practiceContinue from where you are using one of the options below
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