空心/实心三角形、四边形

打印的方法大同小异，可参考：https://www.cnblogs.com/Python-T/p/9382976.html

for a in range(1,7):
    for b in range(1,a):
        print(" ",end="")
    c=7-a
    for m in range(1,2*c):
        if a==1:
            print("*",end="")
        elif m==1 or m==2*c-1:
            print("*",end="")
        else:
            print(" ",end="")
    print()

for i in range(1,7):
    for j in range(1,7-i):
        print(" ",end="")
    for k in range(1,2*i+1-1):
        print("*",end="")
    print()

for i in range(1,7):
    for j in range(1,i):
        print(" ",end="")
    for k in range(1,2*(7-i)):
        print("*",end="")
    print()

for i in range(1,7):
    for j in range(0,i):
        print("*",end="")
    print()

for i in range(1,7):
    for j in range(1,7-i):
        print(" ",end="")
    for k in range(0,i):
        print("*",end="")
    print()

for i in range(1,7):
    for j in range(1,7-i):
        print("*",end="")
    print()

for i in range(1,7):
    for j in range(1,i):
        print(" ",end="")
    for k in range(1,7-i):
        print("*",end="")
    print()

for i in range(1,7):
    print("*",end="")
    for k in range(1,i):
        if  k==i-1 or i==6:
            print("*",end="")
        else:
            print(" ",end="")
    print()

for i in range(1,7):
    for j in range(1,7-i):
        print(" ",end="")
    for k in range(0,i):
        if k==0 or k==i-1:
            print("*",end="")
        elif i==6:
            print("*",end="")
        else:
            print(" ",end="")
    print()

for i in range(1,8):
    print("*",end="")
    for j in range(1,8-i):
        if j==7-i or i==1:
            print("*",end="")
        else:
            print(" ",end="")
    print()

for i in range(1,7):
    for j in range(1,i):
        print(" ",end="")
    for j in range(1,7-i):
        if j==1 or j==6-i:
            print("*",end="")
        elif i==1:
            print("*",end="")
        else:
            print(" ",end="")
    print()

 

for i in range(1,7):
    for j in range(1,7-i):
        print(" ",end="")
    for k in range(1,7):
        if k==1 or k==6:
            print("*",end="")
        elif i==1 or i==6:
            print("*",end="")
        else:
            print(" ",end="")
    print()

for i in range(1,7):
    for j in range(1,i):
        print(" ",end="")
    for k in range(1,7):
        if k==1 or k==6:
            print("*",end="")
        elif i==1 or i==6:
            print("*",end="")
        else:
            print(" ",end="")
    print()

for i in range(1,7):
    for j in range(1,7):
        if j==1 or j==6:
            print("*",end="")
        elif i==1 or i==6:
            print("*",end="")
        else:
            print(" ",end="")
    print()

for i in range(1,6):
    for j in range(1,16-i):
        print(" ",end="")
    for k in range(1,2*i):
        if k==1 or k==2*i-1:
            print("*",end="")
        else:
            print(" ",end="")
    print()