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def chengfa(row):
for col in range(1,row+1):
print( row * col,end = " ")
print(" ")
for row in range(1,10):
chengfa(row)

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def func(person):
print("我见到{0}了，但是{1}不理我".format(person,person))
return "我好失望"
print("我也见到{0}了，{1}跟我打招呼了".format(person,person))
return "哈哈"
p = "minjie"
rst = func(p)
print(rst)

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def func(p1,p2):
print("我今天遇见{0},{1}跟我打招呼了".format(p1,p2))
func("xiaoming","daming")

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def func(name = "xiaoming",age = 18,sex = "man"):
if sex == "woman":
print("hello everyone,I am {0},{1}岁,a cute girl".format(name,age))
else:
print("hello everyone,I am {0},{1}岁,a strong boy".format(name,age))
func("woman")

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def func(name = "xiaoming",age = 18, hobby = "basketball"):
print("hello everyone, I am {0},今年{1}岁，我的爱好是{2}".format(name,age,hobby))
func(age = 18,name = "xiaohong")

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def func(*args):
print("hello,各位同学大家好，我简单的说两句")
print(type(args))
print("*" * 50)
for item in args:
#注： args后面没有括号
print(item)
func("xiaoming","China","18","打篮球")

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hello,各位同学大家好，我简单的说两句
<class 'tuple'>
**************************************************
xiaoming
China
18
打篮球

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def func(**kwargs):
print("大家好，我简单说两句")
print(type(kwargs))
print("*" * 50)
for k,v in kwargs.items():
#注意，此处为items，有s，不同与收集参数，没有复数形式
print(k,"_____",v) # 注意：中间的横线字符需要用双引号“”括起来，两个逗号不能少
fun("我叫小明","湖南人","今年18岁","喜欢打篮球")

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大家好，我简单说两句
<class 'dict'>
**************************************************
name _____ 我叫小明
ad _____ 湖南人
age _____ 今年18岁
hobby _____ 喜欢打篮球

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def func(name,age,*args,hobby = "none",**kwargs):
#普通参数
print("大家好，我简答的做一个自我介绍")
print("我的名字是：{0}，今年{1}岁了".format(name,age))
#收集参数
for item in args:
#注意：args后面没有括号
print(item)
if hobby == "none":
print("我没有什么爱好")
else:
print("我的爱好是：")
#关键字收集参数
for k,v in kwargs.items():
print(k,"____",v)
func("xiaoming","23","很高兴认识大家","希望大家能够多多关照","我不是一个随便的人，但是随便起来根本不是人",hobby = "yes",hobby1 = "打篮球",hobby2 ="羽毛球",hobby3 ="乒乓球",hobby4 ="足球")

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def func(*args):
for item in args:
print(item)
l = ["xiaoming","xiaohong","18sui","baskerball"]
func(l)

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['xiaoming', 'xiaohong', '18sui', 'baskerball']

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def func(*args):
for item in args:
print(item)
l = ["xiaoming","xiaohong","18sui","baskerball"]
func(*l)

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xiaoming
xiaohong
18sui
baskerball

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a = 100
def func():
#打印全局变量a
print(a)
b = 50
print(b)
print(a)
print(b) 

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a = 100
def func():
#打印全局变量a
print(a)
global b
b = 50
print(b)
print(a)
func()
# 必须将调用的函数放在打印局部变量的前面，否则无法调用局部变量，为什么？？？
print(b)

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a = 3000
def func(c,d):
e = 111
print("Locals={0}".format(locals()))
func(100,200)
print("Golbals={0}".format(globals()))

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结果：

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a = 100
b = 100
c = eval("a + b")
print(c)

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a = 100
b = 100
c = a + b
d = exec("print('a + b =',a +b)")
print(c)
print(d)

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a + b = 200
200
None

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def func(n):
if n == 1 or n == 2:
return 1
else:
return
func(n-1) + func(n-2)
n = input("请输入n的值：")
n = int(n)
v = func(n)
print(v)

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def hann(n,a,b,c):
if n == 1:
print(a,"-->",c)
return None
'''
if n == 2:
print(a,"-->",b)
print(a,"-->",c)
print(b,"-->",c)
return None
'''
#一般情况下都会写到n=2,n=3的情况下，可以看出用Python写出来非常简短
#如果n>3，将a上的n-1个圆圈借助c，放到辅助柱子b上，具体怎么放不管
hann(n-1,a,c,b)
#再通借助柱子a,将b上的n-1个圆圈放到柱子c上，即为完成任务
hann(n-1,b,a,c)
a = "A"
b = "B"
c = "C"
n = input("请输入圆圈数量：")
n = int(n)
hann(n,a,b,c)