金字塔python打印

Python 3.7.0 (v3.7.0:1bf9cc5093, Jun 27 2018, 04:59:51) [MSC v.1914 64 bit (AMD64)] on win32
Type "copyright", "credits" or "license()" for more information.
>>> str=input()
I
>>> number=ord(str)
>>> i=65
>>> while i<=number:
   for j in range(0,code-i):
       print(" ",end"")

SyntaxError: invalid syntax
>>> str=input()
I
>>> number=ord(str)
>>> i=65
>>> while j<=number:
   for j in range(0,code-i):
       print(" ",end="")
   for s in range(i,64,-1):
       print(chr(s),end="")
   for k in range(66,i+1):
       print(chr(k),end="")
   i+=1
   print("\n")

Traceback (most recent call last):
File "<pyshell#18>", line 1, in <module>
while j<=number:
NameError: name 'j' is not defined
>>> str=input()
I
>>> number=ord(str)
>>> i=65
>>> while i<=number:
   for j in range(0,code-i):
       print(" ",end="")
   for s in range(i,64,-1):
       print(chr(s),end="")
   for k in range(66,i+1):
       print(chr(k),end="")
   i+=1
   print("\n")

Traceback (most recent call last):
File "<pyshell#23>", line 2, in <module>
for j in range(0,code-i):
NameError: name 'code' is not defined
>>> str=input()
I
>>> number=ord(str)
>>> i=65
>>> while i<=number:
   for j in range(0,number-i):
       print(" ",end="")
   for s in range(i,64,-1):
       print(chr(s),end="")
   for k in range(66,i+1):
       print(chr(k),end="")
   i+=1
   print("\n")

BAB

CBABC

DCBABCD

EDCBABCDE

FEDCBABCDEF

GFEDCBABCDEFG

HGFEDCBABCDEFGH

IHGFEDCBABCDEFGHI

>>>

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