打印出1到100
1 i=0 2 while i<=100: 3 print(i) 4 i+=1
1 for i in range(1,101):#迭代1到101之间的数字,[1,101) 2 print(i)
1 i=0 2 while True: 3 i+=1 4 print(i) 5 if i>=100: 6 break#结束当前循环
1到100求和
1 i=0 2 j=0 3 while i<100: 4 i+=1 5 j=i+j 6 print(j)
打印1到100中偶数
1 i=0 2 while i<101: 3 i+=1 4 if (i%2)==0: 5 print(i)
1 for i in range(1,101): 2 if (i%2)==0: 3 print(i)
打印1到100中奇数
1 for i in range(1,101): 2 if (i%2)!=0: 3 print(i)
1 i=0 2 while i<101: 3 i+=1 4 if (i%2)!=0: 5 print(i)
打印1到100中不包含20至60的数字
1 i=0 2 while i<100: 3 i+=1 4 if i>=20 and i<=60: 5 continue#满足条件时跳过循环 6 print(i)
1 for i in range(1,101): 2 if i>=20and i<=60: 3 continue#满足条件时跳过循环
4 print(i)
打印出1,2,3,4任意3个数字不同组合
1 for i in range(1,5): 2 for j in range(1,5): 3 for k in range(1,5): 4 if (i!=j)and(i!=k)and(j!=k): 5 print(i,j,k)