求助
for a in range(1,10):for b in range(1,10):
print(a,'*',b,'=',a*b)
这是乘法口诀，怎样打印成乘法口诀的格式 如图所示 本帖最后由 DT_Nelson 于 2019-8-1 13:02 编辑
>>> for i in range(1, 10):
for j in range(1, i+1):
print(f"{i}*{j}={i*j}".ljust(7), end=' ')
print()
1*1=1
2*1=2 2*2=4
3*1=3 3*2=6 3*3=9
4*1=4 4*2=8 4*3=124*4=16
5*1=5 5*2=105*3=155*4=205*5=25
6*1=6 6*2=126*3=186*4=246*5=306*6=36
7*1=7 7*2=147*3=217*4=287*5=357*6=427*7=49
8*1=8 8*2=168*3=248*4=328*5=408*6=488*7=568*8=64
9*1=9 9*2=189*3=279*4=369*5=459*6=549*7=639*8=729*9=81 小网吧 发表于 2019-8-1 12:38
如图所示
for i in range(1, 10):
for j in range(1,i+1):
print(i,"*",j,"=",i*j,'',end='')
if i == j:
print()
=== RESTART: C:\Users\DELL\AppData\Local\Programs\Python\Python36-32\1.py ===
1 * 1 = 1
2 * 1 = 2 2 * 2 = 4
3 * 1 = 3 3 * 2 = 6 3 * 3 = 9
4 * 1 = 4 4 * 2 = 8 4 * 3 = 12 4 * 4 = 16
5 * 1 = 5 5 * 2 = 10 5 * 3 = 15 5 * 4 = 20 5 * 5 = 25
6 * 1 = 6 6 * 2 = 12 6 * 3 = 18 6 * 4 = 24 6 * 5 = 30 6 * 6 = 36
7 * 1 = 7 7 * 2 = 14 7 * 3 = 21 7 * 4 = 28 7 * 5 = 35 7 * 6 = 42 7 * 7 = 49
8 * 1 = 8 8 * 2 = 16 8 * 3 = 24 8 * 4 = 32 8 * 5 = 40 8 * 6 = 48 8 * 7 = 56 8 * 8 = 64
9 * 1 = 9 9 * 2 = 18 9 * 3 = 27 9 * 4 = 36 9 * 5 = 45 9 * 6 = 54 9 * 7 = 63 9 * 8 = 72 9 * 9 = 81
>>>
DT_Nelson 发表于 2019-8-1 12:59
不好意思，我刚开始学，这个 print(f"{i}*{j}={i*j}".ljust(7), end=' ')，我看不懂{:5_94:}，谢谢你！问题已经解决了
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