python利用for循环打印各种三角形

打印直角三角形

print('打印直角三角形')
for i in range(1,10):
	print('*'*i)

打印倒立直角三角形

for x in range(10):
	for i in range(x,10):
		print('*',end='')
	print('')

同一行打印两个直角三角形

print('同一行打印直角三角形')
for j in range(10):
	for x in range(0,j):
		print('*',end='')
	for n in range(j,19-j):
		print(' ',end='')
	for k in range(0,j):
		print('*',end='')
	print('')

直角三角形拼装心形

print('直角三角形拼装心形')
for j in range(8):
	for x in range(0,j):
		print('*',end='')
	for n in range(j,19-j):
		print(' ',end='')
	for k in range(0,j):
		print('*',end='')
	print('')
for i in range(10):
	for j in range(0,0 + i):
		print(end=' ')
	for k in range(0 + i,10):
		print('*',end=' ')
	print('')

打印等腰三角形

print('打印等腰三角形')
for i in range(10):
	for j in range(0,10 - i):
		print(end=' ')
	for k in range(10 - i,10):
		print('*',end=' ')
	print('')

打印倒立等腰三角形1

print('打印倒立等腰三角形1')
for j in range(10):
	for x in range(0,j):
		print(end=' ')
	for n in range(j,15-j):
		print('*',end='')

	print('')

打印倒立等腰三角形2

print('打印倒立等腰三角形2')
for i in range(10):
	for j in range(0,0 + i):
		print(end=' ')
	for k in range(0 + i,10):
		print('*',end=' ')
	print('')

同一行打印两个等腰三角形

print('同一行打印两个等腰三角形')
for i in range(10):
	for j in range(0,10 - i):
		print(end=' ')
	for k in range(10 - i,10):
		print('*',end=' ')
	for n in range(0,0 ):
		print(end=' ')
	for m in range(0 + i,10):
		print(' ',end=' ')
	for jj in range(10,10):
		print(end=' ')
	for kk in range(10 - i,10):
		print('*',end=' ')
	print('')

等腰三角形拼装心形

print('等腰三角形拼装心形')
for i in range(10):
	for j in range(0,10 - i):
		print(end=' ')
	for k in range(10 - i,10):
		print('*',end=' ')
	for n in range(0,0 ):
		print(end=' ')
	for m in range(0 + i,10):
		print(' ',end=' ')
	for jj in range(10,10):
		print(end=' ')
	for kk in range(10 - i,10):
		print('*',end=' ')
	print('')
for i in range(20):
	for j in range(0,0 + i):
		print(end=' ')
	for k in range(0 + i,20):
		print('*',end=' ')
	print('')

打印正方形

print('打印正方形')
for i in range(10):
	for j in range(0,10 - i):
		print(end=' ')
	for n in range(0,0 + i):
		print(end=' ')
	for m in range(0 + i,10):
		print('*',end=' ')
	for k in range(10 - i,10):
		print('*',end=' ')
	print('')