auto save

sa.py

+"""
+print("我是输出")
+input("我是输入")
+
+#input_food下划线命名
+#InputFood驼峰命名
+
+counter = 100  #整数
+miles = 100.0 #浮点数
+name = "bellcode"  #字符串
+print(type(counter))
+print(type(miles))
+print(type(name)) 
+
+#连续赋值相同的值
+a = b = c = 1
+print(a,b,c)
+
+a,b,c = 1,2,3
+print(a)
+print(b)
+print(c)
+
+
+x = 21
+y = 8
+
+print("x+y=",x+y)
+print("x-y=",x-y)
+print("x*y=",x*y)
+print("x/y=",x/y) 
+
+print("x//y=",x//y)#取整
+print("x%y=",x%y)#取余
+print("x**y=",x**y)#幂次方
+
+a = 0
+a += 1 #等于a = a +1
+
+ 
+
+width = int(input("三角形底"))
+height = int(input("三角形高"))
+print(type(width))
+print(type(height))
+#"打印三角形面积"
+print("三角形面积是：",width*height/2)
+
+"""
+# x = "2" 
+# x = "2.4" #向下取整 一步一步操作
+# print(type(int(x)))
+
+# x = 2
+# z = complex(x)
+# print(z)
+
+# x = 21
+# print("第一次结果",type(x))
+# x = float(x)
+# print("第二次结果",type(x))
+
+# x = 21
+# y = 8
+# z = complex(x,y)
+# print(z)
+# print(type(z))
+
+str1 = 'hahahah'
+str2 = "hahahah"
+str3 = """hahahha"""
+print(str1,str2,str3)
\ No newline at end of file