Let’s look at an example:
def f(value, key, hash={}):
hash[value] = key
return hash
print(f('a', 1))
print(f('b', 2))
Which you probably expect to output:
{'a': 1}
{'b': 2}
But actually outputs:
{'a': 1}
{'a': 1, 'b': 2}
Let’s look at an example:
def f(value, key, hash={}):
hash[value] = key
return hash
print(f('a', 1))
print(f('b', 2))
Which you probably expect to output:
{'a': 1}
{'b': 2}
But actually outputs:
{'a': 1}
{'a': 1, 'b': 2}