可变参数
def enroll(name, gender, age=6, city=‘Beijing‘):
print ‘name:‘, name
print ‘gender:‘, gender
print ‘age:‘, age
print ‘city:‘, city
调用:
enroll(‘Bob‘, ‘M‘, 7)
enroll(‘Adam‘, ‘M‘, city=‘Tianjin‘)
定义默认参数要牢记一点:默认参数必须指向不变对象!
时间: 2024-07-31 22:31:19