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def average(*args):
if len(args) == 0:
return 0
else:
sum = 0.0
for item in args:
sum += item
avg = sum / len(args)
return avg

print(average(1, 2, 2, 3, 4))
print(average())
def greet(param = 'world'):
print('hello', param + '.')

greet()
greet('hahah')
def tuple_number_multiply(T):
multiply = 1
for num in T:
if isinstance(num, int) or isinstance(num, float):
multiply = multiply * num;
return multiply
def list_number_sum(L):
sum = 0
for num in L:
if isinstance(num, int) or isinstance(num, float):
sum = sum + num;
return sum
def func(param):
if isinstance(param, list):
return list_number_sum(param)
elif isinstance(param, tuple):
return tuple_number_multiply(param)
else:
print('param type error')
return None
def Cycle_Sum(n):
sum = 0
num = 1
while num <= n:
sum = sum + num
num = num + 1
return sum
def Recursion_Sum(n):
if n == 1:
return 1;
return n + Recursion_Sum(n - 1)
print('循環求和:{}'.format(Cycle_Sum(100)))
print('遞歸求和:{}'.format(Recursion_Sum(100)))
def sub_sum(L):
oddSum = 0
evenSum = 0
index = 1
for num in L:
if index % 2:
oddSum = oddSum + num
else:
evenSum = evenSum + num
index = index + 1
return oddSum, evenSum

L1 = [1,2,3,4,5,6]
print(sub_sum(L1))
a如果有值必定輸出a 如果為空必定輸出第二個條件
chinese = '這是一句中英文混合的Python字符串'
english = 'Hello World!'
print (chinese + ':' + english)
浮點型、字符串、整型、二進制
print(r''' "To be, or not to be": that is the question.
Whether it's nobler in the mind to suffer.''')
length = 3.14
wide = 1.57
area = length * wide
result = round(area,2)
print(result)
L = [75, 92, 59, 68, 99]
sum = 0
for c in L:
sum = c+sum
print(sum/len(L))
s = 'AABCDEFGHHIJ'
b = []
for a in s[0:-2]:
if a not in b:
b.append(a)
s1 = ''.join(b)
print(s1)
a = 0
L = ['Alice', 66, 'Bob', True, 'False', 100]
while a < len(L):
print(L[a])
a=a+2
課程須知
如果您了解程序設計的基本概念,會簡單使用命令行,了解中學數學函數的概念,那么對課程學習會有很大的幫助,讓您學起來得心應手,快速進入Python世界。
老師告訴你能學到什么?
通過本課程的學習,您將學會搭建基本的Python開發環境,以函數為基礎編寫完整的Python代碼,熟練掌握Python的基本數據類型以及list和dict的操作,靈活使用流程控制語句。

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