Lecture 2-3

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Fråga		Svar
Which of the following is the correct way to define an initializer method? börja lära sig		def __init__(self, title, author):
Given a function that does not return any value, What value is thrown by default when executed in the shell. Python shell throws a NoneType object back. börja lära sig		None
Which of the following statement is correct börja lära sig		List is mutable & Tuple is immutable
Suppose list1 is [1, 3, 2], What is list1 * 2 ? börja lära sig		[1, 3, 2, 1, 3, 2]
What is the output of: list1 = [1, 2, 3, 4] list2 = [5, 6, 7, 8] print(len(list1 + list2)) börja lära sig		8
In which of the following we can use "in" operator to check the elements börja lära sig		dictionary, list, tuple
What is the output? print([i. lower() for i in "HELLO"]) börja lära sig		[‘h’, ‘e’, ‘l’, ‘l’, ‘o’].
Predict the output List = [True, 50, 10] List. insert(2, 5) print(List, "Sum is: ", sum(List)) börja lära sig		[True, 50, 5, 10] Sum is: 66
What is the output? print("Hello {0[0]} and {0[1]}". format(('foo', 'bin'))) börja lära sig		Hello foo and bin
What is the output? values = [[3, 4, 5, 1], [33, 6, 1, 2]] v = values[0][0] for lst in values: for element in lst: if v > element: v = element print(v) börja lära sig		1
Which of the following data type use Key: pair börja lära sig		dictionary
The required steps for Divide-and-conquer algorithms are: börja lära sig		Divide, Conquer and Combine
Division Pattern of Problems in Divide and Conquer approach Select one: börja lära sig		Recursive
The best way to search for an element in a list is to start from the: börja lära sig		middle element
How many passes does an insertion sort algorithm consist of? börja lära sig		N-1

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