Python输入输出练习,运算练习,turtle初步练习
print("Hello World")
name = input("输入姓名") print("{}同学,好好学习,天天向上".format(name))
a=input("请输入a:") b=input("请输入b:") print(float(a)+float(b))
a=input("a=") b=input("b=") c=input("c=") l=(float(a)+float(b)+float(c))/2 d=float(l)*(float(l)-float(a))*(float(l)-float(b))*(float(l)-float(c)) s=float(d)**0.5 print(float(s))
r=input("请输入r=") s=3.14*float(r)*float(r) print(float(s))
import turtle turtle.circle(10) turtle.circle(20) turtle.circle(30) turtle.circle(100)
import turtle for i in range(5): turtle.forward(100) turtle.right(144)
import turtle turtle.fillcolor("yellow") turtle.begin_fill() for i in range(5): turtle.forward(100) turtle.right(144) turtle.end_fill()