Initialization:
string = '123'
dummy = 0
reversed(string):
The reversed() function returns a reverse iterator for the string '123'.
The characters will be iterated in the order: '3', '2', '1'.
Loop Iteration 1:
character is assigned the value '3'.
int(character) converts '3' to the integer 3.
dummy += 3 is executed.
dummy becomes 0 + 3 = 3.
Loop Iteration 2:
character is assigned the value '2'.
int(character) converts '2' to the integer 2.
dummy += 2 is executed.
dummy becomes 3 + 2 = 5.
Loop Iteration 3:
character is assigned the value '1'.
int(character) converts '1' to the integer 1.
dummy += 1 is executed.
dummy becomes 5 + 1 = 6.
Loop ends:
The loop has iterated through all the characters in the reversed string.
print(dummy):
The final value of dummy, which is 6, is printed.
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