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IT0011

Integrative Programming and Technologies

QuestionAnswer
Tuples are immutable. ✅ True
a tuple is a collection which is ordered and unchangeable. ✅ True
tuples are mutable. ✅ False
List is a collection which is ordered and unchangeable. ✅ False
A dictionary is a collection which is unordered, changeable and indexed. ✅ False
In Python, sets are written with curly brackets. ✅ True
The del keyword will delete the set completely. ✅ True
The copy() method returns a copy of the dictionary. ✅ True
Sets are unordered. ✅ True
Given the code: aTuple = (10,20,30,40,50); print(aTuple[2:4]) ✅ (30, 40)
Given the code: aTuple = (10,20,30,40,50); print(aTuple[:4]) ✅ (10, 20, 30, 40)
Given the code: aTuple = (100,200,300,400,500); print(aTuple[-3:-1]) ✅ (300, 400)
Given the code: x = list(('abc', 23, (78,16), 3.14, [1,2,3,4])); print(x[-1][-2]) ✅ 3
Given the code: nums = set([1,1,2,3,3,3,4,4]); print(len(nums)) ✅ 4
Given the code: d = {"john":40, "peter":45}; "john" in d ✅ True
Which of the following is incorrect for t = (1,2,4,3)? ✅ t[3] = 45
What method is used to determine how many items a dictionary has? ✅ len()
What method returns a list of all values in a dictionary? ✅ values()
Which of these about a set is NOT true? ✅ Allows duplicate values
When slicing a string the return value is a range of characters ✅ True
An example of an illegal character is a double quote inside a string that is surrounded by double quotes ✅ True
Given the code: a = “Learning, Python!” print(a[2:6]) What will be the output? ✅ arni
The lower() method removes any whitespace from the beginning or the end ✅ False
Given the code: a = ‘the quick brown fox’ print(‘fox’ in a) What will be the output? ✅ true
Given the code: a = “Learning, Python!” print(a.split(“,”)) What will be the output? ✅ ['Learning', ' Python!']
Given the code: a = ‘the quick brown fox’ print(a.upper()) What will be the output? ✅ THE QUICK BROWN FOX
The strip() method removes any whitespace from the beginning or the end ✅ True
Given the code: b = “Learning” print(len(b)) What will be the output? ✅ 8
When slicing a string the return value is a range of data types ✅ False
To open a file in binary format, add “a” to the mode parameter ✅ False
The writelines() method is used to save the contents of a list object in a file ✅ True
The readline() method reads the characters starting from the current reading position up to a newline character ✅ True
The read(chars) method reads the specified number of characters starting from the current position ✅ True
Which of the following is an incorrect file handling mode in Python? ✅ rz
Which of the following is used to open a file for both writing and reading? ✅ r+
“rb” mode opens the file in binary format for writing ✅ False
“wb” mode opens the file in binary format for reading ✅ False
A file method used to read characters up to a newline character ✅ readline()
Which of the following is used to open a file for appending? ✅ a
Created by: saiii
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