Computer Science
How many times will the following for loop execute and what's the output?
for i in range(1,3,1):
for j in range(i+1):
print('*')
Python
Python Funda
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Answer
Loop executes for 5 times.
*
*
*
*
*
Working
range(1,3,1) returns [1, 2]. For first iteration of outer loop j is in range [0, 1] so inner loop executes twice. For second iteration of outer loop j is in range [0, 1, 2] so inner loop executes 3 times. This makes the total number of loop executions as 2 + 3 = 5.
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