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issa1106
Python-Practice
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practice06.py
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import pandas
import math
stu_name = ["Killy", "Troy", "Zoe", "Zac"]
math_score = [60, 98, 43, 75]
score_dict = {"name": stu_name, "score": math_score}
buildform = pandas.DataFrame(score_dict) #建立表格
print(buildform.head(n=2)) #列出前 2 row 物件的方法Method
print(buildform.dtypes) #列出變數類型 物件的屬性Attribute
#物件導向 Object
class MyBall(object):
"""myBall 是描述 球 的類別
radius為半徑, color為球的顏色"""
def __init__(self,radius,color):
self.radius = radius
self.color = color
def volume(self):
volume = 4 / 3 * math.pi * self.radius ** 3
return volume
#物件繼承Inheritance
class newBall(MyBall):
"""繼承自MyBall類別
新增了print_color直接印出顏色
fixable為是否固定不變
volume被改寫為直接列印"""
def __init__(self, radius, color, fixable): #若不建立新的參數可不要這段
super().__init__(radius,color) #super()來繼承原始參數
self.fixable = fixable #並建立新的參數
def print_color(self):
print(self.color)
# 改寫Override volume
def volume(self):
print(self.radius ** 3 * math.pi * 4 / 3, "Overrided!")
Ball_A = MyBall(20, "red") #建立一個物件
Ball_B = newBall(10,"white",True) #可用繼承後的類別建立物件
print("What's color? ", Ball_A.color) #呼叫物件的屬性
print("What's size? ",Ball_A.volume()) #呼叫物件的方法
Ball_B.print_color()
Ball_B.volume()
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