我收到这个错误:
Traceback (most recent call last):
File "C:\Users\George\Desktop\ex3.py", line 15, in <module>
s=s+d*2(-1/6.)*(u-1)*(u-2)*(u+2)*(u-4)
TypeError: 'int' object is not callable
Run Code Online (Sandbox Code Playgroud)
这是我的代码:
x=input()
z=input()
n=input()
while x>=z:
x=input()
z=input()
while n<0:
n=input()
while n>0:
d=(z-x)/1.*n
k=1
s=(d/2.)*((-1/6.)*(x-1)*(x-2)*(x+2)*(x-4)+(-1/6.)*(z-1)*(z-2)*(z+2)*(z-4))
while k<=n-1:
u=x+k*d
s=s+d*2(-1/6.)*(u-1)*(u-2)*(u+2)*(u-4)
k=k+1
print "%.3f" %s
x=input()
z=input()
n=input()
if n>0:
while x>=z:
x=input()
z=input()
Run Code Online (Sandbox Code Playgroud) 我已经安装了pygame(1.9.1 v).这是我的代码:
# 1 - Import library
import pygame
from pygame.locals import *
import math
import random
# 2 - Initialize the game
pygame.init()
width, height = 640, 480
screen=pygame.display.set_mode((width, height))
keys = [False, False, False, False]
playerpos=[100,100]
# 3 - Load images
player = pygame.image.load("resources/images/messi.jpg")
podo = pygame.image.load("resources/images/podo3.png")
podo1 = pygame.image.load("resources/images/podo1.png")
# 4 - keep looping through
while 1:
# 5 - clear the screen before drawing it again
screen.fill(0)
# 6 - draw the screen elements
for x …Run Code Online (Sandbox Code Playgroud) 我的代码有问题.它运行良好但在某些情况下(例如输入= 8913266562747895)它给出了错误的答案.这是我的代码:
def ccv(s):
k=list(s)
if len(k)==19:
for i in(0,1,2,3,5,6,7,8,10,11,12,13,15,16,17,18):
if not k[i].isdigit():
return False
for i in(4,9,14):
if k[i]!=" " and k[i]!="-":
return False
l=[int(c) for c in s if c.isdigit()]
if not 4<=l[0]and l[0]<=7:
return False
s=0
for i in range(0,16, 2):
l[i]=2*l[i]
if l[i]/10!=0:
l[i]= l[i]/10+(l[i]%10)
for i in range(16):
s=s+l[i]
return s%10==0
elif len(k)==16:
for i in range(16):
if not k[i].isdigit():
return False
l=[int(c) for c in s if c.isdigit()]
if not 4<=l[0]and l[0]<=7:
return False …Run Code Online (Sandbox Code Playgroud)