本篇文章主要介紹 python 程式語言的基本語法

  • 變數
  • 陣列
  • 運算符號
  • if condition
  • for loop
  • for each
  • function
  • dictionary

變數

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a = 0
b = 0.01
c = "message"
d = True
e = none

陣列

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a = []
a = [1, 2, 3]

運算符號

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a == b
a != b
a > b
a >= b
a < b
a <= b
not a
a and b
a or b

if condition

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if a > b:
    ...
elif a < b:
    ...
else:
    ...

for loop

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for i in range(10):
    ...

for each

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for element in array:
    ...

for index, element in enumerate(array):
    ...

function

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def Calculate():
    ...

def Calculate(a):
    ...

def Calculate(a):
    ...
    return 0

dictionary

宣告

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valueByKey = {}
valueByKey = { "Id": 0 }

檢查存在

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valueByKey = { "Id": 0 }
key = "Id"
isExisted = key in valueByKey

賦值

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valueByKey = {}
key = "Id"
value = 0
valueByKey[key] = value

取值

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valueByKey = { "Id": 0 }
key = "Id"
value = valueByKey[key]