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- import time
- def fib(n):
- try:
- if n < 2:
- return n
- prev = 1
- fib = 1
- for num in range(2, n):
- prev, fib = fib, fib + prev
- #print str(fib) + ", " #remove the hash at the start of this if you want to print each number after generation
- print "\n\nFibonacci " + str(n) + ": \n\n" + str(fib)
- print "\n\nAmount of digits: " + str(len(str(fib)))
- except KeyboardInterrupt:
- print "" #just used to catch ctrl+c (terminate) on unix-systems
- try:
- howMany = long(raw_input("How many fibonacci numbers would you like generated?\nA Max of 100000 is recommended!\nAnything larger can freeze your system until it is generated\n\nInput your number: "))
- start = time.time()
- fib(howMany)
- elapsed = (time.time() - start)
- except ValueError:
- print "\n\nPlease enter a number\n\n"
- except KeyboardInterrupt:
- print ""
- #just used to catch ctrl+c (terminate) on unix-systems
- minutes = elapsed/60
- hours = minutes/60
- days = hours/24
- weeks = days/7
- years = days/365
- print "\n\nTime elapsed (seconds): " + str(elapsed) + "s"
- print "Time elapsed (mins): " + str((minutes)) + "m"
- print "Time elapsed (hours): " + str((hours)) + "h"
- print "Time elapsed (days): " + str((days)) + "d"
- print "Time elapsed (weeks): " + str((weeks)) + "w"
- print "Time elapsed (years): " + str((years)) + "y\n\n"
- print "\n\nGoodbye\n\n"
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