import numpy as np
ar=np.array([1,2,3,4,5,6,7,8,9])
for i in range(9):
for j in range(i+1):
print(ar[i],'*',ar[j],'=',ar[i]*ar[j],' ',end='')
print()
效果:
import numpy as np
ar=np.array([1,2,3,4,5,6,7,8,9])
for i in range(9):
for j in range(i+1):
print(ar[i],'*',ar[j],'=',ar[i]*ar[j],' ',end='')
print()
效果: