What will be the output of following Python code snippet?for i in range(0 , -2 , -1): print(i)0,-10, -1, -1-1, -2Error
Question
What will be the output of following Python code snippet?for i in range(0 , -2 , -1): print(i)0,-10, -1, -1-1, -2Error
Solution 1
The output of the given Python code snippet will be:
0 -1
Here's the step by step explanation:
-
The
range()function in Python is used to generate a sequence of numbers over time. It takes three parameters - start, stop, and step. In this case, start is 0, stop is -2, and step is -1. -
The
forloop is used to iterate over the sequence generated by therange()function. In each iteration, the value ofiis printed. -
In the first iteration,
iis 0. So, 0 is printed. -
In the next iteration,
iis decreased by 1 (because the step is -1), soibecomes -1. So, -1 is printed. -
Now,
ishould be decreased by 1 again to become -2. But -2 is the stop value in therange()function, which means the loop should stop beforeibecomes -2. So, the loop ends here.
Therefore, the output of the code is 0 and -1.
Solution 2
The output of the given Python code snippet will be:
0 -1
Explanation: The range() function in Python starts at 0 and ends before -2, decrementing by -1 at each step. So, it first prints 0, then decrements by 1 and prints -1. After this, the next value would be -2, but since the range ends before -2, the loop terminates.
Solution 3
The output of the given Python code snippet will be:
0 -1
Here's the step by step explanation:
-
The
range()function in Python generates a sequence of numbers starting from the first parameter (0 in this case), up to but not including the second parameter (-2 in this case), incrementing by the third parameter (-1 in this case). -
The
forloop iterates over this sequence of numbers. -
In the first iteration,
iis 0, so 0 is printed. -
In the second iteration,
iis decremented by 1 (because the step is -1), so -1 is printed. -
Now
iwould be -2, but -2 is the stop parameter for therange()function, so the loop ends.
Therefore, the output is:
0 -1
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