| title | subtitle |
|---|---|
List DS Practice |
Practice Code 5 |
This Notebook Contains practice question for the note on Lists.
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Q1: Write a program to get a number n and n numbers as input and print them as a list.
Sample 1:
I/p:
3
5
2
-20
O/p: [5, 2, -20]
Q2: Get the list of integers as input, sort them and print as output.
Sample 1:
I/P:
-1 110 -10 0 20 1 60
O/P:
[-10 -1 0 1 20 60 110]
Q3: Get a list of integers as input and print the even elements present in it. (No. of even elements > 1)
Sample 1:
I/P: 10 20 5 -2 79 23335 40
O/p: [10 20 -2 40]
Q4: Write a program to get a list of integers and print their product as output. (Use reduce method).
Sample 1:
I/P: 10 20 5 41 -2 -7 23
O/P: 13202000
Q5: Write a program to get a list of integers and print their sum as output. (Use sum method).
Sample 1:
I/P: 10 20 5 41 -2 -7 23
O/P: 90
Q6: Write a program to get a list of integers and print their sum as output. (use loops).
Sample 1:
I/P: 10 20 5 41 -2 -7 23
O/P: 90
Q7: Write a program to get a list of integers and print their product as output. (Use loops).
Sample 1:
I/P: 10 20 5 41 -2 -7 23
O/P: 13202000
Q8: Write a program to get a list of integers and print their average as output. (round off to 3 decimal places).
Sample 1:
I/P: 10 20 5 41 -2 -7 23
O/P: 12.857
Q9: Write a program to get a list of integers and print the maximum value as output. (Use max method).
Sample 1:
I/P: 10 20 5 41 -2 -7 23
O/P: 41
Q10: Write a program to get a list of integers and print the maximum value as output. (Use loops).
Sample 1:
I/P: 10 20 5 41 -2 -7 23
O/P: 41
Q11: Write a program to get a list of integers and print the minimum value as output. (Use min method).
Sample 1:
I/P: 10 20 5 41 -2 -7 23
O/P: -7
Q12: Write a program to get a list of integers and print the minimum value as output. (Use loops).
Sample 1:
I/P: 10 20 5 41 -2 -7 23
O/P: -7
Q13: Write a program to get a number n and print first n terms of Fibonacci series.
Q14: Write a program to get a list of string values as input and print the values at even position as output.
Sample 1:
I/P: Hi First Second python STRING
O/P: First python
Q15: Write a program to get a list of numbers as input and print their median as output.
(Median is the center-most value of the sorted list)
Sample 1:
I/P: 2 9 1 7 4 8
O/P: 6.5
>**Sample 2:** I/P: 1 7 8 6 3 O/P: 3
Q16: Write a program to get a list of numbers as input and print their mode as output.
(Mode is the most frequent value of the given list)
Sample 1:
I/P: 2 9 1 1 4 1
O/P: 1
>**Sample 2:** I/P: 1 3 8 6 3 O/P: 3
Q17: Write a program to get the number of rows n and n rows of a matrix and print each row as a list.
Sample 1: I/P:
3
10 20 30
1 2 3
5 -4 -10
O/P:
[10, 20, 30]
[1, 2, 3]
[5, -4, -10]
Q18: Write a program to get the number of rows n and
Sample1:
I/P:
3
10 20 30
1 2 3
5 -4 -10
O/P:
10 1 5
20 2 -4
30 3 -10
Q19: Write a program to get number of rows r and columns c and two
(No empty lines are provided in between the matrices)
Sample 1:
4
4
9 13 5 2
1 11 7 6
3 7 4 1
6 0 7 10
-2 4 7 31
6 9 12 6
12 11 0 1
9 10 2 3
O/P:
7 17 12 33
7 20 19 12
15 18 4 2
15 10 9 13
Q20: Write a program to get number of rows r and no. of columns c and three
(No empty lines are provided in between the matrices)
Sample 1:
4
4
9 13 5 2
1 11 7 6
3 7 4 1
6 0 7 10
-2 4 7 31
6 9 12 6
12 11 0 1
9 10 2 3
0 2 8 6
3 7 1 0
0 0 1 2
10 1 0 11
O/P:
7 19 20 39
10 27 20 12
15 18 5 4
25 11 9 24
Q21: Write a program to get a
(No empty lines are provided in between the matrices)
Sample1:
3
2
-82 0
-57 -95
91 56
2
4
1 3 -11 24
-59 42 -15 48
O/P:
-82 -246 902 -1968
5548 -4161 2052 -5928
-3213 2625 -1841 4872
Q22: Write a program to get a list of words and sort them in lexicographic order.