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Python Data Types
course content

Course Content

Python Data Types

Python Data Types

1. Numeric Types
Numeric TypesIntegersFloating Point NumbersComplex NumbersChallengeAddition SubtractionMultiplicationDivision
2. Boolean Type
What is a Boolean Data Type?Python bool() FunctionKeywords: and, or, notChallenge 1Challenge 2Challenge 3Challenge 4
3. Strings
What is a String?Challenge 1 Looking Inside the Strings ChallengeString Slicing 1/2 String Slicing 2/2Negative IndexingStrings Have Length Check String Searching a String

bookString Slicing 2/2

We can also get a substring from a string using simple slicing.

First, let's look at the syntax of slicing. string[start: end: step] respectively:

  • start -- the index from which to start slicing.
  • end -- the index at which the slicing ends.
  • step -- this parameter determines the increments between the indices.

Ending index is up to but not including.

Indexing starts from 0.

It's time for an example.


              
123456

            
# Creating a string
string = 'ABCDEFGHIJKLMNO'
print("Initial string: ", string)
string_1 = string[7:13]
print("Elements in a range 7-13: ", string_1)
copy

              
123

            
# Print elements from a pre-defined point to end
string_2 = string[5:]
print("Elements from 6th element till the end: ", string_2)
copy

              
1234

            
# Print all elements from beginning till end
string_3 = string[:]
print("All elements: ", string_3)
copy
Task

Swipe to show code editor

test

You have such a string 1234567890. You have to carry out the following steps:

  1. print elements from beginning till the end(as a result you have to get: 1234567890)
  2. print elements from the 5th element till the end(as a result you have to get: 567890)
  3. print elements in a range 2-7(as a result you have to get: 34567)

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 6
toggle bottom row

bookString Slicing 2/2

We can also get a substring from a string using simple slicing.

First, let's look at the syntax of slicing. string[start: end: step] respectively:

  • start -- the index from which to start slicing.
  • end -- the index at which the slicing ends.
  • step -- this parameter determines the increments between the indices.

Ending index is up to but not including.

Indexing starts from 0.

It's time for an example.


              
123456

            
# Creating a string
string = 'ABCDEFGHIJKLMNO'
print("Initial string: ", string)
string_1 = string[7:13]
print("Elements in a range 7-13: ", string_1)
copy

              
123

            
# Print elements from a pre-defined point to end
string_2 = string[5:]
print("Elements from 6th element till the end: ", string_2)
copy

              
1234

            
# Print all elements from beginning till end
string_3 = string[:]
print("All elements: ", string_3)
copy
Task

Swipe to show code editor

test

You have such a string 1234567890. You have to carry out the following steps:

  1. print elements from beginning till the end(as a result you have to get: 1234567890)
  2. print elements from the 5th element till the end(as a result you have to get: 567890)
  3. print elements in a range 2-7(as a result you have to get: 34567)

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 6
toggle bottom row

bookString Slicing 2/2

We can also get a substring from a string using simple slicing.

First, let's look at the syntax of slicing. string[start: end: step] respectively:

  • start -- the index from which to start slicing.
  • end -- the index at which the slicing ends.
  • step -- this parameter determines the increments between the indices.

Ending index is up to but not including.

Indexing starts from 0.

It's time for an example.


              
123456

            
# Creating a string
string = 'ABCDEFGHIJKLMNO'
print("Initial string: ", string)
string_1 = string[7:13]
print("Elements in a range 7-13: ", string_1)
copy

              
123

            
# Print elements from a pre-defined point to end
string_2 = string[5:]
print("Elements from 6th element till the end: ", string_2)
copy

              
1234

            
# Print all elements from beginning till end
string_3 = string[:]
print("All elements: ", string_3)
copy
Task

Swipe to show code editor

test

You have such a string 1234567890. You have to carry out the following steps:

  1. print elements from beginning till the end(as a result you have to get: 1234567890)
  2. print elements from the 5th element till the end(as a result you have to get: 567890)
  3. print elements in a range 2-7(as a result you have to get: 34567)

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!

We can also get a substring from a string using simple slicing.

First, let's look at the syntax of slicing. string[start: end: step] respectively:

  • start -- the index from which to start slicing.
  • end -- the index at which the slicing ends.
  • step -- this parameter determines the increments between the indices.

Ending index is up to but not including.

Indexing starts from 0.

It's time for an example.


              
123456

            
# Creating a string
string = 'ABCDEFGHIJKLMNO'
print("Initial string: ", string)
string_1 = string[7:13]
print("Elements in a range 7-13: ", string_1)
copy

              
123

            
# Print elements from a pre-defined point to end
string_2 = string[5:]
print("Elements from 6th element till the end: ", string_2)
copy

              
1234

            
# Print all elements from beginning till end
string_3 = string[:]
print("All elements: ", string_3)
copy
Task

Swipe to show code editor

test

You have such a string 1234567890. You have to carry out the following steps:

  1. print elements from beginning till the end(as a result you have to get: 1234567890)
  2. print elements from the 5th element till the end(as a result you have to get: 567890)
  3. print elements in a range 2-7(as a result you have to get: 34567)

Switch to desktopSwitch to desktop for real-world practiceContinue from where you are using one of the options below
Section 3. Chapter 6
Switch to desktopSwitch to desktop for real-world practiceContinue from where you are using one of the options below
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