for row in range(1, 10):
    for col in range(1, row+1):
        print("{} * {} = {}".format(col, row, row*col), end="\t\t")
    print("")
 

row = 1

while row <= 9:
    col = 1
    while col <= row:
        print("{} * {} = {}" .format (col, row, row*col), end="\t\t")
        col += 1

    print("")
    row += 1

for row in range(1, 10):
    for col in range(1, row+1):
        print("%d * %d = %d"% (col, row, row*col), end="\t\t")
    print("")
 

九九乘法表python的表達方法