Indentation Error after While Loop in Python -

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i have following function, receive indentation error whenever try run it:

def fib(n):         # write fibonacci series n     """print fibonacci series n.""" a, b = 0, 1 while < n: print a, b = b, a+b  # call function defined: fib(2000)

error message:

print         ^ indentationerror: expected indented block

how resolve indentationerror error in python?

you need indent code properly. other languages use brackets, python uses indentation:

def fib(n):         # write fibonacci series n     """print fibonacci series n."""     a, b = 0, 1      while < n:         print         a, b = b, a+b

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