list.py

# python  data type  : 
"""
1.  string  :  immutable ==> no changes in string . 
2.  list    :  mutable   ==> you can change the list 
3.  tuple   :  immutable  ==> you can't change in tuple 
4. dict     : mutable    ==> you can changes in dict 
5. set      : mutable    == > you can changes in set 
"""

#list : mutable 


"""
l1=[1,2,3,4,5,6,7,9,10,"ram"]
print(l1)
print(type(l1))
"""
# buit in function  :  len min  max sorted sum 

# l1=[100,2,3,4,5,6,7,9,10]

"""print(len(l1))
print(min(l1))
print(max(l1))
print(sorted(l1))
print(sum(l1))
"""

#slicing  : 
# l1= [10,20,30,40,50,60,70,90,10]
# index : 0  pos right  :  l to r 
# neg index num: -1   :  r to  l 

# print(l1)
# print(l1[2])   # index : 2 
# print(l1[3 :5])   # start pos : 3   ending  pos : 5 

# print(l1[ : 6]) #  starting pos  by default  : 0
# print(l1[ 1: ]) #  ending pos upto the list len
# print(l1[ : ])
# print(l1[-2])
# print(l1[3 : -2])

# print(l1[-3 : 7])

# print(l1[2 : 7 : 2 ]) # start : 2 end : 7    step size : 2 
# print(l1[  :  : -1])  

# python  data type  : 
"""
1.  string  :  immutable ==> no changes in string . 
2.  list    :  mutable   ==> you can change the list 
3.  tuple   :  immutable  ==> you can't change in tuple 
4. dict     : mutable    ==> you can changes in dict 
5. set      : mutable    == > you can changes in set 
"""

#list : mutable 


"""
l1=[1,2,3,4,5,6,7,9,10,"ram"]
print(l1)
print(type(l1))
"""
# buit in function  :  len min  max sorted sum 

# l1=[100,2,3,4,5,6,7,9,10]

"""print(len(l1))
print(min(l1))
print(max(l1))
print(sorted(l1))
print(sum(l1))
"""

#slicing  : 
# l1= [10,20,30,40,50,60,70,90,10]
# index : 0  pos right  :  l to r 
# neg index num: -1   :  r to  l 

# print(l1)
# print(l1[2])   # index : 2 
# print(l1[3 :5])   # start pos : 3   ending  pos : 5 

# print(l1[ : 6]) #  starting pos  by default  : 0
# print(l1[ 1: ]) #  ending pos upto the list len
# print(l1[ : ])
# print(l1[-2])
# print(l1[3 : -2])

# print(l1[-3 : 7])

# print(l1[2 : 7 : 2 ]) # start : 2 end : 7    step size : 2 
# print(l1[  :  : -1])  

# method  : 

# l1 = [100,2,3,4,5,6,7,9,10,10,10]

# l1.append(250)
# print(l1)

# l1.clear()
# print(l1)

# l2=l1.copy()
# print(l2)

# l2=["apple", "kiwi","banana"]
# l1.extend(l2)
# print(l1)

# print(l1.index(5))

# l1.insert(2,"ragahv")
# print(l1)

# l1.pop(2)
# print(l1)

# l1.remove(10)
# print(l1)

# print(l1.count(10))

"""l1.reverse()
print(l1)
"""
# l1.sort()
# print(l1)

# print(sorted(l1))
"""
task  : 1
ask user to enter the number store in to list and print odd even sum .
l1 = [1,2,3,4,5]
odd=9
even=6

task  : 2 
ask user to enter the number store in to the list and seprate  pelindrome number in to the 
new list :

l1 = [121,123,456,789,141,171]
output  : [121,171,141]

task : 3 remove duplicate element in to the list  . 
input : [1,2,3,3,4,4,5,6,6,7,10]
output : [1,2,3,4,5,6,7,10]
"""




#task 1
'''a=int(input("Enter how many number you want to enter"))
l1=[]
oddsum=0
evensum=0

for i in range(1,a+1):
    b=int(input("Enter a number:"))
    l1.append(b)
print(l1)
for j in l1:
    if j%2==0:
        evensum+=j
    else:
        oddsum+=j
print("evensum=",oddsum)
print("oddsum=",oddsum)
'''
#task 2
'''a=int(input("Enter how many number you want to enter:"))
l1=[]
l2=[]

for i in range(1,a+1):
    b=int(input("Enter a number:"))
    l1.append(b)
    
for j in l1:
    j =str(j)
    if j==j[::-1]:
        l2.append(int(j))
list(l2)
print(l2)
    '''

#task 3
'''a=int(input("Enter how many number you want to enter:"))
l1=[]
l2=[]

for i in range(1,a+1):
    b=int(input("Enter a number:"))
    l1.append(b)
for j in l1:
    if j not in l2:
        l2.append(j)
print(l2)
'''
#task 4(if count 19=2,count 5=3 than true)
'''a=int(input("Enter how many number you want to enter:"))
l1=[]

for i in range(1,a+1):
    b=int(input("Enter a number:"))
    l1.append(b)
print(l1)
l1.count(19)
l1.count(5)
if (l1.count(19)==2 and l1.count(5)==3): 
    print("True")
else:
    print("False")
'''
    
# task 5(Write a Python program to find the indexes of numbers in a given list below a given threshold.
# Original list:
# [0, 12, 45, 3, 4923, 322, 105, 29, 15, 39, 55]
# Threshold: 100
# Check the indexes of numbers of the said list below the given threshold:
# output:[0, 1, 2, 3, 7, 8, 9, 10])

'''l1=[0, 12, 45, 3, 4923, 322, 105, 29, 15, 39, 55]
l2=[]

for i in l1:
    if i<=100:
        l2.append(l1.index(i))
print(l2)
'''