Lists data type

1. DATA STRUCTURES
LIST
S

2. INTRODUCTION
• List is used to store different
elements of different data
types.
• While using lists there is no
need to specify the size in
advance like arrays.

3. CREATING A LIST
• List comprehension is
also one type of creating
a list..
• List comprehension is
an elegant and concise
way to create new
list from a existing list in
python.
• EXAMPLE:
L=range(1,10)
Print(L[3])
OUTPUT:4

4. ACCESSING
• ACCESS ITEMS
FROM A LIST ACCESSING THE
ELEMENTS OF A LIST
ACCESSING –
NEGATIVE INDEXING

6. OPERATORS
SLICING: CANCATENATION:
• The operator "+" use to
combine two lists.
• This is also
called"cancatenation".
• Example:
L1=[1,3,9]
L2=[5,7,6]
L3=L1+L2
Print(L3)
• Output:
REPETITION:
• The operator '*' repeats
a list for the given of
times.
• Example:
L=[1,2,3]
L1=L*3
Print(L1)
• Output:
[1,2,3,1,2,3,1,2,3]

7. LIST
METHODS

8. APPEND()
• APPEND() METHOD-PROGRAMS

9. COUNT()
• COUNT()METHOD-PROGRAMS

10. EXTEND()
• EXTEND()METHOD-PROGRAMS

11. INDEX()
• INDEX()METHOD-PROGRAMS

12. INSERT()
• INSERT()METHOD-PROGRAMS

13. P0P()
• POP()METHOD-PROGRAMS

14. COPY()
• COPY()METHOD-PROGRAMS

15. REMOVE()
• REMOVE()METHOD-PROGRAMS

16. REVERSE(
)
• REVERSE()METHOD-PROGRAMS

17. SORT(
)
• SORT()METHOD-PROGRAMS

18. BUILT-IN FUNCTIONS WITH
LIST