nswerWhat will be the output of the following Python code?res=[]def change(x): if(x==0): return res temp=x%2 res.append(temp) change(x//2)change(6)res.reverse()for k in res: print(k,end="")
Question
nswerWhat will be the output of the following Python code?res=[]def change(x): if(x==0): return res temp=x%2 res.append(temp) change(x//2)change(6)res.reverse()for k in res: print(k,end="")
Solution
The given Python code is trying to convert a decimal number into binary. However, it has a logical error. The function change(x) is a recursive function that should return a result, but in this case, it doesn't return anything when x is not equal to 0. This will cause the function to return None and the list res will not be updated correctly.
Here is the corrected version of the code:
res=[]
def change(x):
if(x==0):
return res
temp=x%2
res.append(temp)
return change(x//2) # return the result of the recursive call
change(6)
res.reverse()
for k in res:
print(k,end="")
When you run this corrected code with the input 6, the output will be 110, which is the binary representation of the decimal number 6.
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