99乘法表-python

for i in range(1,10):
    for j in range(1,i+1):
        print("{}*{}={:<2}".format(i,j,i*j),end=" ")
    print()

print("-"*100)

for i in range(1,10):
    print(" "*7*(i-1),end="")
    for j in range(i,10):
        print("{}*{}={:<2}".format(i,j,i*j),end=" ")
    print()

print("-"*100)

for i in range(1,10):
    for j in range(i,10):
        print("{}*{}={:<2}".format(i,j,i*j),end=" ")
    print()

print("-"*100)

for i in range(1,10):
    print(" "*7*(9-i),end="")
    for j in range(10-i,10):
        print("{}*{}={:<2}".format(i,j,i*j),end=" ")
    print()