>>> print("Hello Python!")

>>> print('Hello Python!')

>>> print("Hello Python!");

print("Hello Python!");
# print("foo")
""" print("bar")
print("bar") """

num = 2147483647
print(num) # 2147483647
school = "Jianguo"
print(school) # Jianguo

x = input()
print("Hello", x)
x = input('insert x')
print("x = ", x)

print('Hello', 'Python')
print('Hello', 'Python', end = '!')
print('Hello', 'Python', sep = '')
print('A', 'C', sep = 'b', end = 'd')

x = input()
print(x + 1)

x = int(input())
print(x + 1)

x = input()
print(x + '1')

x = int(input())
print(x + '1')

name = input()
print("Hello,", name, "how old are you?")
age = input()
print("That is very young! What is your favourite food?")
food = input()
print("Oh! I really like", food, "too! We have very similar tastes!")

num1 = int(input()) #輸入一個整數
num2 = int(32.0) #將浮點數變成整數

num1 = float(input()) #輸入一個整數
num2 = float(226) #將整數變成浮點數

num1 = int(input()) #輸入一個整數
num2 = int(32.0) #將浮點數變成整數

num1 = float(input()) #輸入一個整數
num2 = float(226) #將整數變成浮點數

num1 = int(input()) #輸入一個整數
num2 = int(32.0) #將浮點數變成整數

name = input()
print("Hello, " + name + "!")

name = "INFOR"
print("Hello, " + name + "!")

name = 'INFOR'
print("Hello, " + name + "!")

var = 50
print(type(var))

<class 'int'>

a = 2
b = 2147483645
print(a + b)

2147483647

a = 2
b = 2147483645
print(a + b)

2147483647

a = 65
b = 23
print(a - b)

42

a = 2
b = 2147483645
print(a + b)

2147483647

a = 65
b = 23
print(a - b)

42

a = 32
b = 16
print(a * b)

512

a = 3
b = 2
print(a / b)

1.5

a = 3
b = 2
print(a // b)

1

a = 3
b = 2
print(a / b)

1.5

a = 3
b = 2
print(a // b)

1

a = 3
b = 2
print(a / b)

1.5

a = 3
b = 2
print(a // b)

1

a = 72
b = 7
print(a % b)

2

a = 2
b = 5
print(a ** b)

32

print(3 == 3)

True

print(3 != 5)

True

print(2 < 7)

True

print(2 <= 5)

True

print(1000 > 1)

True

print(3 >= 3)

True

print(2 < 7 and 10 >= 9)

True

print(3 > 5 or 3 <= 5)

True

print(not 10 < 5)

True

if [某邏輯判斷]:
  做事
elif [某邏輯判斷]:
  做其他的事
else:
  做比其他更其他的事

score = 73

if score >= 90:
  print("Wow! You scored over 90 points!")
elif score >= 30 and score <= 60:
  print("Retake the test")
elif score < 30:
  print("R.I.P.")
else:
  print("You did pretty good! Keep going!")

You did pretty good! Keep going!

for x in range(5):
  print(x)

0
1
2
3
4

for x in range(3, 7, 2):
  print(x)

3
5

for x in range(5):
  for y in range(5):
    print("x = " + x + ", y = " + y)

x = 0, y = 0
x = 0, y = 1
x = 0, y = 2
x = 1, y = 0
x = 1, y = 1
x = 1, y = 2
x = 2, y = 0
x = 2, y = 1
x = 2, y = 2

res = 0
n = 10
for x in range(n + 1):
  res = res + x
  
print(x)

55

*
**
***
****
*****

Integer = input()
print(type(Integer))

A = input()
print(type(2 * A))

2qbx = int(input())
print(type(2qbx))

A = 3.0
print(type(2 * A))

A = 3.0
print(type(2 > A))

A = 3.0
print(type(2 or A))

print(type(chr(ord('a'))))

print(type(print))

print(type(type))

print(2 + 2)

print(2 >= 2)

print(2.3 and 2)

print(0.0 and 2)

print(3 / 2)

print(3 // 2)

print(2.3 // 2)

print(0 or 0.0)

print(0 and 0.0)

x = int(input())
print(x + 2.3 > x + 2)

x = int(input())
print(int(x + 2.3) > x + 2)

i = 3
for i in range (5):
    i += 1
print(i)

i = 3
if i in range (5):
    i += 1
print(i)

suum, sum = 3, 0
for i in range (10, 3, -2):
    sum += i
print(suum + sum)

for 軟 in range(0, -1):
	print(軟)

while [某個條件符合]:
  做事

while x < 100:
  if x > p:
    continue
  做事做事
  做事做事
  做事做事
  做事做事
  做事做事
  

while x < 100:
  if x > p:
    break
  做事做事
  做事做事
  做事做事
  做事做事
  
迴圈外的事

for n in range(10):
  if n % 2 == 0:
    continue
  print(n)

for n in range(10):
  if n % 9 == 0:
    break
  print(n)

x = 7
while x > 0:
  x = x + 1
  print(x)

[]

[9, 8.0, '2qbx', [4, 5]]

a = [9, 8.0, '2qbx', [4, 5]]
print(a)
print(a[0])

a = [9, 8.0, '2qbx', [4, 5]]
a.append(5)
a.extend([4, 'miku'])
print(a)

a = [9, 8.0, '2qbx', [4, 5]]
for i in a:
    print(i)

a = [9, 8.0, '2qbx', [4, 5]]
print(a[-2])
print(a[0:3])
print(a[1:])
print(a[-1:])
print(a[0:-1])
print(a[3:-3])
del a[3]
print(a)

a = [9, 4, 8, 8, 7]
print(len(a))
print(max(a) - min(a))
print(a.count(8))
a.sort()
a.reverse()
print(a)

a = [9, 4, 8, 8, 7]
print(min(a) or max(a))

a = input().split(' ')
for i in range(len(a)):
    a[i] = int(a[i])
# code here

def 函數名稱(引數一, 引數二 ...):
  做事坐視作勢;
  return 回傳值

def 加法(欸, 逼):
    return 欸 + 逼

print(加法(5, 2))

def 吠市樹烈(恩):
    if 恩 <= 1:
        return 恩
    else:
        return 吠市樹烈(恩 - 1) + 吠市樹烈(恩 - 2)
    
print(吠市樹烈(5))

def 吠市樹烈(恩):
    樹烈 = [0, 1]
    for 項數 in range(2, 恩+1):
        樹烈.append(樹烈[-1] + 樹烈[-2])
    return 樹烈
    
print(吠市樹烈(5))

def 執行(操作, 欸, 逼):
    return 操作(欸, 逼)

def 加法(欸, 逼):
    return 欸 + 逼
    
print(執行(加法, 3, 5))

加法 = lambda 欸, 逼: 欸 + 逼;
print(加法(3, 5))

print((lambda 欸, 逼: 欸 + 逼)(2, 4))

def 取得函數(運算):
    加法 = lambda 欸, 逼: 欸 + 逼;
    乘法 = lambda 欸, 逼: 欸 * 逼;
    if 運算 == '加法':
        return 加法
    else:
        return 乘法
    
print(取得函數('加法')(3, 5))
print(取得函數('乘法')(3, 5))

def 微分(欸夫):
  # code here
  return 欸夫的微分

def 函數(愛克斯):
  return 2*(愛克斯**2) + 7

print(微分(函數)(5))

# 宣告一個新的 set
qbx = {"Miku", "Ranran", "Ramen", "WW5"}
# 輸出整個 set
print(qbx)
# 依序輸出 set 裡的每個元素
for i in qbx:
  print(i)

# 宣告一個新的 set
programmer = {"Computer", "Algorithm", "Python", "Miku"}
# 加入一個元素
programmer.add("liver")
# 刪除一個元素
programmer.remove("Miku")

# 宣告一個新的 set
programmer = {"Computer", "Algorithm", "Python", "Miku"}
# 加入一個元素
programmer.add("liver")
# 刪除一個元素
programmer.discard("Miku")

# 宣告一個新的 set
programmer = {"Computer", "Algorithm", "Python", "Liver"}
# 得到set的size
print(len(programmer))

ericxiao = {"Biology", "Earth science"}
# 將兩個 set 合併
IOI2020 = programmer.union(ericxiao)

subject = {"Biology", "Earth science"}
# 刪除整個set內的元素
subject.clear()
# 刪除整個set
del subject

Infor32 = {
  "Ericxiao": "C+++Algorithm",
  "Thomas": "MachineLearning",
  "25871014": "Python"
}
print(Infor32)

Infor32 = {
  "Ericxiao": "C+++Algorithm",
  "Thomas": "MachineLearning",
  "25871014": "Python"
}
print(Infor32["25871014"])
print(Infor32.get("25871014"))

Eric = {
  "Age": 17,
  "Grade": 11,
  "Score": 799
}
Eric["Score"] = 800

INFOR32 = {
  "Eric": {
  	"Age": 17,
  	"Grade": 11,
 	"Score": 800
  },
  "Sean": {
    "Age": 16,
    "Grade": 11
  }
}
print(INFOR32["Eric"]["Score"])

class Person:
  name = "03t"
  age = 17
p1 = Person()

class Person:
  def __init__(self, name, age):
    self.name = name
    self.age = age
p1 = Person("Eric", 17)

class Person:
  def __init__(self, name, age):
    self.name = name
    self.age = age
  def hello(self):
    print("Hello my name is " + self.name)
p1 = Person("Eric", 17)
p1.hello()

class people:
    height = 157.4

thomas = people()
print(thomas.height)
thomas.height = 180
print(thomas.height)

class people:
    def __init__(self, height):
      self.height = height

thomas = people(157.4)
print(thomas.height)

class people:
    def __init__(self, height):
      self.height = height
    def eat(self, food):
      self.height += food

thomas = people(157.4)
print(thomas.height)
thomas.eat(0.1)
print(thomas.height)

class people:
    def __init__(self, height):
      self.height = height
 
class hunter(people):
  def __init__(self, height, skill):
    super().__init__(height)
    self.skill = skill
  def hunt(self):
    print('hunting with skill', self.skill)

class farmer(people):
  ...
  ...

thomas = hunter(157.4, 100)
thomas.hunt()

class people:
    def __init__(self, height):
      self.height = height
    def eat(food):
      self.height += food
 
class hunter(people):
  def __init__(self, height, skill):
    super().__init__(height)
    self.skill = skill
  def hunt(self):
    print('hunting with skill', self.skill)
  def eat(self, food):
    self.height += food
    self.skill += food / 10
    
thomas = hunter(157.4, 100)
thomas.eat(100)
thomas.hunt()

class 軟軟:
    def __init__(self, 軟肚子):
        self.軟肚子 = 軟肚子
    def __gt__(self, other):
        return self.軟肚子 > other.軟肚子

雪初音 = 軟軟(40)
聖誕軟 = 軟軟(50)
print(雪初音 > 聖誕軟)

__lt__
__le__
__gt__
__ge__
__eq__
__ne__
__add__
__iadd__
__sub__
__isub__
__mul__
__imul__
__truediv__
__iturediv__
__floordiv__
__ifloordiv__
__mod__
__imod__
__pow__
__ipow__

class 軟軟:
    def __init__(self, 軟肚子):
        self.軟肚子 = 軟肚子
    def __gt__(self, other):
        return self.軟肚子 > other.軟肚子
    def __add__(self, other):
        return self.軟肚子 + other.軟肚子

雪初音 = 軟軟(40)
聖誕軟 = 軟軟(50)
print(雪初音 > 聖誕軟)

# mod.py
def add(a, b):
    return a + b

import mod
a = int(input())
b = int(input())
print(mod.add(a, b))

# mod.py
class people:
    def __init__(self, height):
      self.height = height

import mod
thomas = mod.people(157)
print(thomas.height)

np3 = np3.astype('int64')
np3.dtype # dtype('int64')

np3 = np.array([1, 2, 3, 4, 5, 6])
print(np3[2]) # 3

np3 = np3.reshape([2, 3])
print(np3[1, 0]) # 4

np3 = np.array([1, 2, 3, 4, 5, 6])
print(np3 > 3) # [False False False  True  True  True]
print(np3[np3 > 3]) # [4 5 6]

np3 = np.array([1, 2, 3, 4, 5, 6])
np3 = np3.reshape([2, 3])
print(np3.sum(axis=1)) # 將 axis=1 橫向加總 [6 15]
print(np3.sum(axis=0)) # 將 axis=0 直向加總 [5 7 9]

# 引入模組
import numpy as np
import matplotlib.pyplot as plt

# 折線圖
x = np.array([3, 5, 3, 6])
y = np.array([4, 6, 8, 2])
plt.plot(x, y)
plt.show()

# 散佈圖
x = np.array([1, 3, 2, 8, 9])
y = np.array([4, 5, 3, 6, 3])
plt.scatter(x, y)
plt.show()

# 圓餅圖
data = np.random.randint(1, 11, 5) # 生成
x = np.arange(len(data))

plt.pie(data)

plt.show()

# 長條圖
labels = ['Physics', 'Chemistry', 'Literature', 'Peace']
foo_data = [3, 6, 10, 4]
bar_width = 0.5
xlocations = np.array(range(len(foo_data))) + bar_width

plt.bar(xlocations, foo_data, width=bar_width)

plt.title('Stock Price')
plt.show()