qdw - What would be the output of executing the following code:

Python question of the day

Which line of code should replace '# Replace this line' in the following code snippet to get the result: 7

def f1(a=1,b=2,c=3): return a+b+c
v = {"a":6, "c":-1}
# Replace this line

print(f1(v))

print(f1(*v))

print(f1(**v))

print(f1(v{}))

Explanation:

The ** operator unpacks the key-value pairs in the dic- tionary and matches those with the keyword arguments. As the second keyword argument b is not declared in the dictionary, it is initialized to its default value.