打印1-100之间所有的偶数的累加

for i in range(5):

print("*")

for i in range(5):

print("*",end=" ")

for i in range(6):

# print("* "*i)

# for i in range(5):

# print(" “*(5-i)+” "(i+1))

for i in range(1,10):

for j in range(1,10):

if i>=j:

print("%d*%d=%d"%(j,i,j*i),end=" ")

print()