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#!/usr/bin/env python
"""
This example demonstrates a simple recursive call.
"""
from pycallgraph2 import PyCallGraph
from pycallgraph2.output import GraphvizOutput
def factorial(n):
if n == 1:
return 1
return n * factorial(n - 1)
def main():
graphviz = GraphvizOutput()
graphviz.output_file = 'recursive.png'
with PyCallGraph(output=graphviz):
try:
for a in xrange(1, 10):
factorial(a)
except:
for a in range(1, 10):
factorial(a)
if __name__ == '__main__':
main()
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