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import math
import sys
 
R = lambda :list(map(int,input().split()))
t = int(input())
#print(t)
for i in range(t):
	print("Hi")
    n,k = R()
    p = math.factorial(n-1)/(math.factorial(k-1) * math.factorial(n-k))
 
	print(p)
 
 

Traceback (most recent call last):
  File "/usr/lib/python3.7/py_compile.py", line 143, in compile
    _optimize=optimize)
  File "<frozen importlib._bootstrap_external>", line 791, in source_to_code
  File "<frozen importlib._bootstrap>", line 219, in _call_with_frames_removed
  File "./prog.py", line 9
    n,k = R()
            ^
IndentationError: unindent does not match any outer indentation level

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "<string>", line 1, in <module>
  File "/usr/lib/python3.7/py_compile.py", line 147, in compile
    raise py_exc
py_compile.PyCompileError: Sorry: IndentationError: unindent does not match any outer indentation level (prog.py, line 9)

Standard output is empty