python中怎么實現星星排列？下面給大家帶來幾種排列陣型。

星星陣型1def stars1(n):

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

str = "*"*i

print str

if __name__ == "__main__":

stars1(5)

星星陣型2def stars2(n):

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

str = '*'*(n+1-i)

print str

if __name__ == "__main__":

stars2(5)

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星星陣型3def stars3(n):

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

str = ' ' * (n-i) + '*' * i

print str

if __name__ == "__main__":

stars3(5)

星星陣型4def stars4(n):

for i in range(1,1+n):#total n line(s)

str = ' '*(i-1) + '*'*(n+1-i)

print str

if __name__ == "__main__":

stars4(5)

5. 菱形陣型def stars5(n):

RANGE1 = [2*i+1 for i in range(n)]

RANGE2 = [2*i+1 for i in range(n)[::-1]][1:]

RANGE = RANGE1 + RANGE2

RANGE_1 = [i for i in range(n)[::-1]]

RANGE_2 = [i for i in range(n)[1:]]

RANGE_12 = RANGE_1 + RANGE_2

for i in range(len(RANGE)):

print ' '*RANGE_12[i] + '*'*RANGE[i]

if __name__ == "__main__":

stars5(5)

6. 沙漏陣型def star6(n):

a = [i*2+1 for i in range(n)[::-1]]

b = [i*2+1 for i in range(n)][1:]

aa = a + b

d = [i for i in range(n)]

e = [i for i in range(n)[::-1]][1:]

dd = d + e

for j in range(len(dd)):

print ' '*dd[j] + '*'*aa[j]

if __name__ == "__main__":

star6(5)

總結

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