Day1——1.变量

iruanceStudentCount = 8

print('hello,world')
print('hello,world')
print('hello,world')
print('hello,world')
print('hello,world')

#  先执行 = 号右边的 ,再执行 = 号左边,   把 = 号右边的值赋值给 =号 左边的
x = '你好,python'
print(x)

age = 18
print(age)

name = '张三'
print(name)

num1 = 10
num2 = 20
print(num1 + num2)
num3= num1 + num2
print(num3)
print(num1 - num2)
print(num1 * num2)
print(num1 / num2)


hp = 500
print(hp)
hp = hp + 100
print(hp)