python123练习题

Hello World I

print('Hello World')

Hello World II（垂直）

for name in "Hello World":

print(name)

N的多次方

x = eval(input())

for i in range(5):

print(pow(x, i), end = ' ')

print(pow(x,5))

温度转换II

TempStr = input()

#print(eval(TempStr[1:]))

if TempStr[0] in ['F', 'f']:

C = (eval(TempStr[1:]) - 32) / 1.8

print("C{:.2f}".format(C))

else :

F = eval(TempStr[1:]) * 1.8 + 32

print("F{:.2f}".format(F))

货币转换I

s = input()

if s[0] in ['R', 'r']:

u = eval(s[3:]) / 6.78

print("USD{:.2f}".format(u))

else:

r = eval(s[3:]) * 6.78

print("RMB{:.2f}".format(r))

turtle正方形绘制

import turtle

turtle.setup(650, 350, 200, 200)

turtle.penup()

turtle.fd(-250)

turtle.pendown()

turtle.pensize(2)

turtle.pencolor("black")

turtle.fd(50)

for i in range(3):

turtle.left(90)

turtle.fd(50)

turtle.done()

turtle六边形绘制

import turtle

turtle.setup(650, 350, 200, 200)

turtle.penup()

turtle.fd(-250)

turtle.pendown()

turtle.pensize(2)

turtle.pencolor("black")

turtle.fd(50)

for i in range(5):

turtle.left(60)

turtle.fd(50)

turtle.done()

turtle叠边形绘制

import turtle

for i in range(9):

turtle.fd(100)

turtle.left(80)

turtle同切圆绘制

import turtle

turtle.setup(650, 350, 200, 200)

turtle.penup()

turtle.pendown()

turtle.pensize(2)

turtle.pencolor("black")

for i in range(4):

turtle.circle(30 + 10 * i, 360)

长度转换I

s = input()

if s[-1] in ['m', 'M']:

y = eval(s[:-1]) * 39.37

print("{:.3f}in".format(y))

else:

x = eval(s[:-2]) / 39.37

print("{:.3f}m".format(x))

平方值格式化

n = pow(eval(input()), 2)

if len(str(n)) > 20:

print(n)

else:

print("{0:-^20}".format(n))

同符号数学运算

n = eval(input())

N = abs(n)

a = N + 10

b = N - 10

c = N * 10

if n < 0:

a = -abs(a)

b = -abs(b)

c = -abs(c)

else:

a = abs(a)

b = abs(b)

c = abs(c)

print(N, a , b, c, end = "")

天天向上的力量III

n = eval(input())

a = pow(1 + (n / 1000), 365)

b = pow(1 - (n / 1000), 365)

c = a / b

print("{0:.2f},{1:.2f},{2:.0f}".format(a, b, int(c)),end = "")

星号三角形I

n = eval(input())

p = int((n + 1) / 2)

for i in range(1, p + 1, 1):

for j in range(p - i):

print(" ", end = "")

for k in range(2 * i - 1):

print("*",end = "")

for q in range(p - i):

print(" ", end = "")

print()

恺撒密码I

strp = input()

for i, c in zip(range(len(strp)), strp):

if c >= 'a' and c <= 'z':

strp = strp[:i] + chr((ord(c) - ord('a') + 3) % 26 + ord('a')) + strp[i + 1:] else:

continue

print(strp)

祖国的问候

print("祖国，您好！")

print("我来了，学好Python。")

热量转换I*