coding=utf-8 #用while输出123456 8910 i=1 while i<=10: if i==7: print() else: print(i) i=i+1 2、求1-100所有数的和 sum=0 i=1 while i<=100: sum=sum+i i=i+1 print(sum) 输出1-100内的所有奇数 i=1 while i<=100: if i%2!=0: print(i) i=i+1 # 输出1-100内的所有偶数 i=1 while i<=100: if i%2==0: print(i*i) i=i+1 求1-2+3-4+5.。。99之和 i=1 sum=0 while i <100: if i%2==0: sum=sum-i else: sum=sum+i i=i+1 print(sum) #用户登录(三次机会) i=1 while i <4: user=input('请输入用户名:\n') password=int(input('请输入密码:\n')) if user=='刘备' and password==123: print('登陆成功') else: print('信息错误 请重新输入') i+=1 name=input('请输入姓名') age=input('请输入年龄') height=input('请输入身高') msg='我叫%s 今年%s 身高%s学习进度为3%%'%(name,age,height) print(msg)
乘法口诀 #coding=utf-8 n=1 for i in range(1,10): for j in range(1,n+1): print('%d*%d=%d\t'%(j,i,j*i),end=' ') n=n+1 print('\n')