更新

Python-100-Days/Day01-15/Day06/function5.py

@@ -0,0 +1,54 @@
+"""
+
+函数的参数
+	- 默认参数
+	- 可变参数
+	- 关键字参数
+	- 命名关键字参数
+
+Version: 0.1
+Author: 骆昊
+Date: 2018-03-05
+
+"""
+
+
+# 参数默认值
+def f1(a, b=5, c=10):
+	return a + b * 2 + c * 3
+
+
+print(f1(1, 2, 3))
+print(f1(100, 200))
+print(f1(100))
+print(f1(c=2, b=3, a=1))
+
+
+# 可变参数
+def f2(*args):
+	sum = 0
+	for num in args:
+		sum += num
+	return sum
+
+
+print(f2(1, 2, 3))
+print(f2(1, 2, 3, 4, 5))
+print(f2())
+
+
+# 关键字参数
+def f3(**kw):
+	if 'name' in kw:
+		print('欢迎你%s!' % kw['name'])
+	elif 'tel' in kw:
+		print('你的联系电话是: %s!' % kw['tel'])
+	else:
+		print('没找到你的个人信息!')
+
+
+param = {'name': '骆昊', 'age': 38}
+f3(**param)
+f3(name='骆昊', age=38, tel='13866778899')
+f3(user='骆昊', age=38, tel='13866778899')
+f3(user='骆昊', age=38, mobile='13866778899')