PYTHON QUESTIONS FOR FRESHERS ( Vestino Technologies )

PYTHON QUESTIONS FOR FRESHERS ( Vestino Technologies )

1. What are the key features of Python? 2. What are Keywords in Python? 3. What are Literals in Python and explain about different Literals? 4. How can you concatenate two tuples? 5. What are functions in Python? 6. How can you initialize a 5*5...

1. What are the key features of Python? 2. What are Keywords in Python? 3. What are Literals in Python and explain about different Literals? 4. How can you concatenate two tuples? 5. What are functions in Python? 6. How can you initialize a 5*5 numpy array with only zeroes? 8. What are dataframes? 9. What is Pandas?What is a Pandas Series? 10. What is pandas groupby? 11. How to create a dataframe from lists? 12. How to create dataframe from a dictionary? 13. How to combine dataframes in pandas? 14. What kind of joins does pandas offer? 15. How to merge dataframes in pandas? 16. Give the below dataframe drop all rows having Nan. 17. How to access the first five entries of a dataframe? 18. How to access the last five entries of a dataframe? 19. How to fetch a data entry from a pandas dataframe using a given value in index? 20. What are comments and how can you add comments in Python? 21. What is the difference between list and tuples in Python? 22. What is a dictionary in Python? Give an example 23. Find out the mean, median and standard deviation of this numpy array -> np.array([1,5,3,100,4,48]) 24. What is a classifier? 25. In Python how do you convert a string into lowercase? 26. How do you get a list of all the keys in a dictionary? 27. How can you capitalize the first letter of a string? 28. How can you insert an element at a given index in Python? 29. How will you remove duplicate elements from a list? 30. What is recursion? 31. Explain Python List Comprehension 32. What is the bytes() function? 33. What are the different types of operators in Python? 34. What is the ‘with statement’? 35. What is a map() function in Python? 36. What is init in Python? 37. What are the tools present to perform statics analysis? 38. What is the difference between tuple and dictionary? 39. What is pass in Python? 40. How can an object be copied in Python? 41. How can a number be converted to a string? 42. What are module and package in Python? 43. What is object() function in Python? 44. What is the difference between NumPy and SciPy? 45. What does len() do? 46. Define encapsulation in Python? 47. What is the type () in Python? 48. What is split() function used for? 49. What are the built-in types does python provide? 50. What is docstring in Python?

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