ICode国际青少年编程竞赛- Python-1级训练场-变量练习

1、

python 复制代码

a = 8
for i in range(8):
    Dev.step(a)
    Dev.turnRight()
    a -= 1

2、

python 复制代码

a = 3
for i in range(4):
    Dev.step(a)
    Dev.turnRight()
    a = a + 1
Dev.step(5)

3、

python 复制代码

a = 4
for i in range(4):
    Dev.step(2)
    Dev.step(-5)
    Dev.step(3)
    Spaceship.step(a)
    a -= 1

4、

python 复制代码

a = 1
for i in range(3):
    Spaceship.step(2)
    Spaceship.turnRight()
    Spaceship.step(a)
    Spaceship.turnLeft()
    a *= 3

5、

python 复制代码

a = 3
for i in range(4):
    Dev.step(a)
    Dev.turnRight()
    Dev.step(-3)
    Dev.step(3)
    a += 1

6、

python 复制代码

a = 6
for i in range(4):
    Dev.step(a)
    Dev.turnRight()
    Dev.step(2)
    Dev.turnRight()
    Dev.step(a)
    Dev.turnLeft()
    a -= 1

7、

python 复制代码

a = 8   # 4 2 1
for i in range(4):
    Dev.step(a)
    Dev.turnRight()
    a /= 2
for i in range(3):
    Dev.step(-2)
    Dev.turnLeft()

8、

python 复制代码

a = 6  # 5 4 3
for i in range(3):
    Dev.step(a)
    Dev.turnRight()
    a -= 1
for i in range(3):
    Spaceship.step(a + 1)
    Spaceship.turnLeft()
    a -= 1

9、

python 复制代码

a = 2
b = 4
for i in range(4):
    Dev.step(a)
    Dev.turnRight()
    Dev.step(b)
    Dev.step(-b)
    Dev.turnLeft()
    Dev.step(-a)
    Dev.turnLeft()
    a += 2
    b -= 1

10、

python 复制代码

Spaceship.step()
for i in range(4):
    Spaceship.step(4 - i)
    Spaceship.turnRight()
    Spaceship.step(1 + i)
    Spaceship.turnLeft()

11、

python 复制代码

a = 5
for i in range(5):
    Spaceship.step(2)
    
    Dev.step(-a)
    Dev.step(a)
    
    a -= 2

12、

python 复制代码

a = 5
for i in range(5):
    Dev.step(2)
    Dev.turnRight()
    Dev.step(a)
    Dev.step(-2 * a)
    Dev.step(a)
    Dev.turnLeft()
    a -= 1

13、

python 复制代码

a = 1
for i in range(4):
    Dev.step(a)
    Dev.turnRight()
    Dev.step(a + 2)
    Dev.step(-2 * (a + 2))
    Dev.step(a + 2)
    Dev.turnLeft()
    a += 1

14、

python 复制代码

for i in range(7):
    Dev.step(i + 1)
    Dev.turnRight()
Dev.step(7)
Dev.turnRight()
Dev.step(1)
for i in range(4):
    Spaceship.step(6 - i)
    Spaceship.turnLeft()

15、

python 复制代码

a = 2
for i in range(3):
    Dev.step(a)
    Dev.turnLeft()
    
    Spaceship.step(a)
    Spaceship.turnRight()
    Spaceship.step(a)
    Spaceship.turnLeft()
    
    Dev.step(a)
    Dev.turnRight()
    a += 1

16、

python 复制代码

a = 1
for i in range(3):
    Dev.step(a)  # 1 2 4
    Dev.turnLeft()
    Dev.step(2**(2-i))  # 4 2 1
    Dev.step(-2 * (2**(2-i)))
    Dev.step(2**(2-i))
    Dev.turnRight()
    a *= 2

17、

python 复制代码

a = 1
for i in range(4):
    Spaceship.step(4)
    Dev.step(a)
    Dev.step(-a)
    
    Spaceship.turnRight()
    Spaceship.step(2 * a)
    Spaceship.turnRight()
    Spaceship.turnRight()
    Spaceship.step(2 * a)    
    Spaceship.turnRight()
    a += 1

18、

python 复制代码

a = 1
b = 5
for i in range(3):
    Spaceship.step(a)
    Dev.step(-b)
    Dev.step(b)
    Spaceship.turnRight()
    Spaceship.step(a + 2)
    Spaceship.turnLeft()
    b -= 2
    a += 1

19、

python 复制代码

a = 2
for i in range(5):
    Dev.step(-a)
    Dev.step(8 + i)
    Dev.step(-6 + i)
    Dev.turnRight()
    Dev.step(2)
    Dev.turnLeft()
    a += 2

20、

python 复制代码

a = 7
b = 3
for i in range(4):
    Dev.step(2)
    Dev.turnRight()
    Dev.step(a)
    Dev.step(-a)
    Dev.turnLeft()
    a = a - b
    b -= 1