SCHOOL RESOURCES ARCHIVE

All school related resources stored here. (maintained by Sujal Singh)

RESOURCE LIST


WAP to read a list of numbers. Rearrange the list in such a way that the values of alternate
locations of the list are exchanged.
Example: If the list initially contains
2, 5, 9, 14, 17, 8, 19, 16
Then after rearrangement the list should contain
5, 2, 14, 9, 8, 17, 16, 19

"""
WAP to read a list of numbers. Rearrange the list in such a way that the values of alternate
locations of the list are exchanged.
    Example: If the list initially contains
        2, 5, 9, 14, 17, 8, 19, 16
    Then after rearrangement the list should contain
        5, 2, 14, 9, 8, 17, 16, 19
"""

l = eval(input("Enter a list: "))
length = len(l) if (len(l) % 2 == 0) else len(l) - 2

for i in range(0, length, 2):
    l[i], l[i + 1] = l[i + 1], l[i]
print(l)

"""
OUTPUT:
Enter a list: [1, 2, 3, 4, 5, 6]
[2, 1, 4, 3, 6, 5]

Enter a list: [1, 2, 3, 4, 5]
[2, 1, 4, 3, 5]
"""


WAP to read a list of numbers. Replace every element of the list with its reverse.
For example: If the list is having 5 elements.
25 124 7 19 92
Then the program should rearrange the list contents as :
52 421 7 91 29

"""
WAP to read a list of numbers. Replace every element of the list with its reverse.
    For example: If the list is having 5 elements.
        25 124 7 19 92
    Then the program should rearrange the list contents as :
        52 421 7 91 29
"""
l = eval(input("Enter a List: "))
print(", ".join([str(e)[::-1] for e in l]))

"""
OUTPUT:

"""


WAP to read two list of numbers, create third list which contains all elements from given
two list alternatively.

"""
WAP to read two list of numbers, create third list which contains all elements from given
two list alternatively.
"""

l1 = eval(input("Enter first list: "))
l2 = eval(input("Enter second list: "))
merged = []

for i in range(len(max(l1, l2))):
    if i < len(l1):
        merged.append(l1[i])
    if i < len(l2):
        merged.append(l2[i])

print(merged)

"""
OUTPUT:
Enter first list: [1, 3, 5]
Enter second list: [2, 4, 6]
[1, 2, 3, 4, 5, 6]

Enter first list: [1, 2, 3]
Enter second list: [2, 4, 6, 7, 8, 9]
[1, 2, 2, 4, 3, 6, 7, 8, 9]
"""


WAP to arrange a given list of numbers in ascending order using bubble sort.

"""
WAP to arrange a given list of numbers in ascending order using bubble sort.
"""
l = eval(input('Enter a list: '))
length = len(l) - 1
for i in range(length):
    for j in range(length - i):
        if l[j] > l[j + 1]:
            l[j], l[j + 1] = l[j + 1], l[j]

print('Sorted list: ', l)

"""
OUTPUT:
Enter a list: [5, 4, 3, 2, 1]
Sorted list:  [1, 2, 3, 4, 5]
"""


WAP to remove all the odd numbers from a given list.

"""
WAP to remove all the odd numbers from a given list.
"""
l = eval(input("Enter a list: "))
even_list = [e for e in l if e % 2 == 0]
print("Sorted list: ", even_list)

"""
OUTPUT:

Enter a list: [1, 2, 3, 4, 5, 6, 7, 8, 9]
Sorted list:  [2, 4, 6, 8]
"""


WAP to input a list of numbers arrange the given list in ascending order using insertion sort.

"""
WAP to input a list of numbers arrange the given list in ascending order using insertion sort.
"""
l = eval(input("Enter a list:"))
length = len(l)
for i in range(1, length):
    temp = l[i]
    j = i - 1
    while l[j] > temp and j >= 0:
        l[j + 1] = l[j]
        j -= 1
    l[j + 1] = temp

print("Sorted list: ", l)

"""
OUTPUT:
Enter a list: [5, 4, 3, 2, 1]
Sorted list:  [1, 2, 3, 4, 5]
"""

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