Consider the following string mySubject: mySubject = "Computer Science" What will be the output of the following string operations: i. print(mySubject[0:len(mySubject)]) ii. print(mySubject[-7:-1]) iii. print(mySubject[::2]) iv. print(mySubject[len(mySubject)-1]) v. print(2*mySubject) vi. print(mySubject[::-2]) vii. print(mySubject[:3] + mySubject[3:]) viii. print(mySubject.swapcase()) ix. print(mySubject.startswith('Comp')) x. print(mySubject.isalpha())
Question
Consider the following string mySubject
:
mySubject = "Computer Science"
What will be the output of the following string operations :
i. print(mySubject[0:len(mySubject)])
ii. print(mySubject[-7:-1])
iii. print(mySubject[::2])
iv. print(mySubject[len(mySubject)-1])
v. print(2*mySubject)
vi. print(mySubject[::-2])
vii. print(mySubject[:3] + mySubject[3:])
viii. print(mySubject.swapcase())
ix. print(mySubject.startswith('Comp'))
x. print(mySubject.isalpha())
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Answer
i. print(mySubject[0:len(mySubject)])
This operation slices the string from the start to the end.
Output: Computer Science
ii. print(mySubject[-7:-1])
This operation slices the string from the 7th last character to the 2nd last character (both inclusive).
Output: Scienc
iii. print(mySubject[::2])
This operation slices the string with a step size of 2, meaning it takes every second character.
Output: Cmue cec
iv. print(mySubject[len(mySubject)-1])
This operation prints the last character of the string (len(mySubject)-1
equals the index of the last character).
Output: e
v. print(2*mySubject)
This operation prints the string twice.
Output: Computer ScienceComputer Science
vi. print(mySubject[::-2])
This operation slices the string in reverse order with a step size of 2.
Output: ecneScp
vii. print(mySubject[:3] + mySubject[3:])
This operation concatenates the slices of the string from start to index 3 and from index 3 to the end. Essentially, it's the whole string.
Output: Computer Science
viii. print(mySubject.swapcase())
This operation swaps the case of each character in the string.
Output: cOMPUTER sCIENCE
ix. print(mySubject.startswith('Comp'))
This operation checks if the string starts with "Comp".
Output: True
x. print(mySubject.isalpha())
This operation checks if all characters in the string are alphabetic (it will return False
because the string contains a space).
Output: False
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