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Lære String Slicing 2/2 | Strings
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String 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
Opgave

Swipe to start coding

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)

Løsning

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book
String 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
Opgave

Swipe to start coding

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)

Løsning

Switch to desktopSkift til skrivebord for at øve i den virkelige verdenFortsæt der, hvor du er, med en af nedenstående muligheder
Var alt klart?

Hvordan kan vi forbedre det?

Tak for dine kommentarer!

close

Awesome!

Completion rate improved to 3.85

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