I have write 100 python programs that will help everyone to practice python that and they will gain confident after solving all these python programs and after completing these programs they will able to crack any intermediate level python interview.

Below is the list of these Programs.

Python Practice Problems

1. User will input (3ages).Find the oldest one

2. Write a program that will convert celsius value to fahrenheit

3. User will input (2numbers).Write a program to swap the numbers

4. Write a program that will give you the sum of 3 digits

5. Write a program that will reverse a four digit number.Also it checks whether the reverse is true.

6. Write a program that will tell whether the number entered by the user is odd or even.

7. Write a program that will tell whether the given year is a leap year or not.

8. Write a program to find the euclidean distance between two coordinates.

9. Write a program that take a user inputr of three angles and will find out whether it can form a triangle or not.

10. Write a program that will take user input of cost price and selling price and determines whether its a loss or a profit

11. Write a program to find the simple interest when the value of principle,rate of interest and time period is given.

12. Write a program to find the volume of the cylinder. Also find the cost when ,when the cost of 1litre milk is 40Rs.

13. Write a program that will tell whether the given number is divisible by 3 & 6.

14. https://practice.geeksforgeeks.org/problems/angle-between-hour-and-minute-hand0545/1?page=2&category[]=Mathematical&category[]=Numbers&category[]=number-theory&sortBy=submissions

15. https://practice.geeksforgeeks.org/problems/overlapping-rectangles1924/1?page=3&category[]=Mathematical&category[]=Numbers&category[]=number-theory&sortBy=submissions

16. Write a program that will determine weather when the value of temperature and humidity is provided by the user. TEMPERATURE(C) HUMIDITY(%) WEATHER

    = 30 >=90 Hot and Humid = 30 < 90 Hot <30 >= 90 Cool and Humid <30 <90 Cool

17. Write a program that will take three digits from the user and add the square of each digit.

18. Write a program that will check whether the number is armstrong number or not.

19. Write a program that will take user input of (4 digits number) and check whether the number is narcissist number or not.

20. Write a program that will give you the in hand salary after deduction of HRA(10%),DA(5%),PF(3%), and tax(if salary is between 5-10 lakh–10%),(11-20lakh–20%),(20< _ – 30%)(0-1lakh print k).

21. Write a menu driven program - 1.cm to ft 2.kl to miles 3.usd to inr 4.exit

22. Write a program that will tell the number of dogs and chicken are there when the user will provide the value of total heads and legs. – ChatGPT

23. Write a program that will swap numbers

24. Write a program to find the sum of first n numbers, where n will be provided by the user. Eg if the user provides n=10 the output should be 55.

25. Write a program that can multiply 2 numbers provided by the user without using the * operator – Vartika Singh

26. Write a program that can find the factorial of a given number provided by the user.

27. Write a program to print the first 25 odd numbers

28. Write a program to print whether a given number is prime number or not

29. Print all the armstrong numbers in the range of 100 to 1000

30. The current population of a town is 10000. The population of the town is increasing at the rate of 10% per year. You have to write a program to find out the population at the end of each of the last 10 years. For eg current population is 10000 so the output should be like this: 10th year - 10000 9th year - 9000 8th year - 8100 and so on

31. Write a program to print all the unique combinations of 1,2,3 and 4 – Vartika Singh

32. User will provide 2 numbers you have to find the HCF of those 2 numbers - CodeWithHarry

33. User will provide 2 numbers you have to find the by LCM of those 2 numbers

34. Print first 25 prime numbers - ChatGPT

35. Print the first 20 numbers of a Fibonacci series

36. Write a program to find the compound interest

37. Write a Python program that accepts an integer (n) and computes the value of n+nn+nnn.

38. Take a number from the user and find the number of digits in it.

39. Print all factors of a given number provided by the user.

40. Find the reverse of a number provided by the user(any number of digit)

41. Write a program to print the following pattern

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42. Write a program to print the following pattern

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** * 43. Write a program to print the following pattern * * * * * * * * *

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44. Write a program to print the following pattern -- Vartika Singh 1 1 2 1 1 2 3 2 1 1 2 3 4 3 2 1 1 2 3 4 5 4 3 2 1
45. Write a program to print the following pattern 1 2 3 4 5 6 7 8 9 10
46. Write a program to calculate the sum of the following series till the nth term 1/1! + 2/2! + 3/3! + 4/4! +…….+ n/n! n will be provided by the user
47. Write a Python Program to Find the Sum of the Series till the nth term: 1 + x^2/2 + x^3/3 + … x^n/n n will be provided by the user
48. The natural logarithm can be approximated by the following series. If x is input through the keyboard, write a program to calculate the sum of the first seven terms of this series.
49. Write a program that keeps on accepting a number from the user until the user enters Zero. Display the sum and average of all the numbers.
50. Write a program that accepts 2 numbers from the user a numerator and a denominator and then simplifies it Eg if the num = 5, den = 15 the answer should be ⅓ Eg if the num = 6, den = 9 the answer should be ⅔
51. Find the length of a given string without using the len() function.
52. Extract username from a given email. Eg if the email is nitish24singh@gmail.com then the username should be nitish24singh
53. Count the frequency of a particular character in a provided string. Eg 'hello how are you' is the string, the frequency of h in this string is 2.
54. Find the index position of a particular character in another string.
55. Count the number of vowels in a string provided by the user.
56. Write a program which can remove a particular character from a string.
57. Write a program that can check whether a given string is palindrome or not.
58. Write a python program to remove all the duplicates from a list
59. Write a python program to convert a string to title case without using the title()
60. Write a python program to find the max item from a list without using the max function
61. Write a python program to reverse a list
62. Write a python program to search a given number from a list
63. Write a program that can create a new list from a given list where each item in the new list is square of the item of the old list
64. Write a program that can reverse words of a given string. Eg if the input is Hello how are you Output should be you are how Hello
65. Write a program that can count the number of words in a given string
66. Write a program to check if a list is in ascending order or not
67. Create 2 lists from a given list where 1st list will contain all the odd numbers from the original list and the 2nd one will contain all the even numbers
68. Write a program to merge 2 list without using the + operator
69. Write a program to replace an item with a different item if found in the list
70. Write a program that can convert a 2D list to 1D listWrite a program that can print
71. Write a program that can perform union and intersection on 2 given list.
72. the max item of each row of a matrix.
73. Write a program that can convert an integer to string.
74. Write a program to print the shape of a matrix.
75. Write a program that can check if you can perform matrix multiplication on 2 matrices
76. Write a program to perform matrix multiplication on 2 matrices
77. Write a program that can sort a given unsorted list. Dont use any built in function for sorting.
78. Write a program that can find the most used word in a bollywood song
79. Assume a list with numbers from 1 to 10 and then convert it into a dictionary where the key would be the numbers of the list and the values would be the square of those numbers.
80. Write a program to merge two given dictionary
81. Write a program to swap the key value pair for max and min values Eg if the dict is like this {‘a’:1,’b’:2,’c’:3} Output should be {a:3,b:2,c:1}
82. Write a program to find histogram of a given set of numbers. Take bin size from user. Print the result in the form of a dictionary.
83. Write a function that accepts a string and returns the number of upper case chars and lower case chars as a dictionary
84. Write a function that accepts a list of strings and performs Bag of words and convert it to numerical vectors. https://en.wikipedia.org/wiki/Bag-of-words_model
85. Write a dummy program that can perform login and registration using a menu driven program
86. Write a program that accepts neighbors(set of 2D co-ordinates) and a point(single 2D co-ordinate) and tells nearest neighbor(in terms of euclidean distance)
87. Write a function that accepts a number and returns it’s factorial. You can not use any loop