In [1]:
d = {'k1': 1, 'k2': 2}
In [2]:
d.setdefault('k3', 3)
print(d)
In [3]:
d.setdefault('k4')
print(d)
In [4]:
d.setdefault('k1', 100)
print(d)
In [5]:
print(d.setdefault('k5', 5))
In [6]:
print(d)
In [7]:
print(d.setdefault('k6'))
In [8]:
print(d)
In [9]:
print(d.setdefault('k1', 100))
In [10]:
print(d.setdefault('k1', -100))
In [11]:
print(d.setdefault('k1'))
In [12]:
print(d)