# 计算1-100的和

def sum_1_100():

i = 0

res = 0

while i <= 100:

res += i

i += 1

return res

# 计算1-100偶数的和

def sum_2_100():

i = 0

res = 0

while i <= 100:

if i%2 == 0:

res += i

print(i)

i += 1

return res

# 打印九九乘法表

# i(1-9)*j(1-9) = x

def nine_nine():

for i in range(1,10):

for j in range(1,i+1):

print("%d*%d=%d" %(i,j,i*j),end='\t')

print("")

# 除了3和3的倍数都打印

def print_3():

for i in range(1,101):

if i%3 == 0:

continue

print(i)

def main():

# print(sum_1_100())

# print(sum_2_100())

# nine_nine()

print_3()

if __name__ == '__main__':

main()