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IndentationError: unindent does not match any outer indentation level ? how to fix this

While compiling Python code below, I get this error
IndentationError: unindent does not match any outer indentation level
import sys
def Factorial(n): # Return factorial
result = 1
for i in range (1,n):
result = result * i
print "factorial is ",result
return result
Any reason ?
indentation python
by

3 Answers

Kajalsi45d
Other posters are probably correct...there might be spaces mixed in with your tabs. Try doing a search & replace to replace all tabs with a few spaces.

Try this:



import sys



def Factorial(n): # return factorial

    result = 1

    for i in range (1,n):

        result = result * i

    print "factorial is ",result

    return result



print Factorial(10)
sandhya6gczb
Unlike other languages like Java and C++ where curly braces are used for representing a block of code, Python uses indentation to represent a block. The above program is not properly indented. So correct the program.


import sys

def Factorial(n): # Return factorial

   result = 1

   for i in range (1,n):

      result = result * I

   print "factorial is ",result

   return result
pankajshivnani123
To easily check for problems with tabs/spaces you can actually do this:
python -m tabnanny yourfile.py

or you can just set up your editor correctly of course :-)

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