In [1]:

    

total = 0
for i in xrange(1, 1001):
    total += (i**i)
# print total


    

    




1000368199144695177095375011227646795567793680622934654583760988100234910747716194381428659099527845945869942643191290894720342979906407679647259860434238468038326040809691037615370376237713648510063115732951461774246705584266865759601815843666442832284556880313114548151539190975398485496645576513465858582712336401166221956188173449531674102688908321764663020306699770408625340766091595022791379368098369306375602813856646358773751558775213460225796579846583334007349358624342339332981334571237888809283103348760261360175950815609179464026871005243652109980863552142014242903434068560936573231079342194031864413918101238151056509267393515760392842472501391594073463001521843811073767021711026307504695733467897821866906648469828346607412967395801797791683609834722432241952845352564681868240369569566192825555323558078061997527689983848863374786789331581565252059172614339424600986143259233167583371070362625554531852054166117148858229508581589614337594463277554380518380921301218836327102231407332201109740102580216469298331766920619646083790732807627360614428085171565006289728508688964226799647192582924058589530750674578385365561878559589685756225692348914746922810913915619834754117648358035814128670294158565669942087736286390942241547226015004471330630113072042704288905042142628193771918594574302202147201188486345913190833752307476966010547423928871063118783026036381319039052008252072057933666712918946233312793697094074224187872045970976444309242782187738320257490080824330074991698698239561125811127607863900355221737846690567707344074494145266662103839812840216303448476913957072355732716627098372245223046792919747259113157425824064858331415400943278213042954635053574045209984512221264241903550178416824551412548637590007779082539288247751653566899882749594405895102587985539527709493510049546445427265617478399107188238681771215904234119392247489751079085948055945098805617963722928469554263782217625160428008228845552540344494860195267115187092227766195753907211126646150140614744233974765273475619964311852858614167819668340124730487710162006793529985758820653677274379563313495454526632718723482339494825759821076401694316043456512117937935456463521463021197726694983558929132357576188594977516630734212863869456164205525536767311298137182511494649463663073759219213056823561667776093739425742883930712609962163464088038826569132032160692637206183085942987973684584276491784843115472077900401692595694119273553511025991265446039366288921743581333200083717105241171504606883543418862024047552177055263424469501298905901938158245938633694105024815166679813689156668341197713475094389904887126794468901893850475050011205225742455555625750560213230387910337983950333245020653238989115507013882956277763880795687210857196493893142656713105966275422144605988058939600603604226921401402096519294250488670297983396353279460453142375542267881989197481789780678955093763193658603690898474826976906544473978017455720367929981796023041785852626797271283465789498383642350667978127819110846700

In [3]:

    

import math
math.factorial(10)


    

    
Out[3]:





3628800

In [9]:

    

def getPermutations(a):
   if len(a)==1:
      yield a
   else:
      for i in range(len(a)):
         print str(a) + "this is a in else"
         this = a[i]
         print str(this) + "this"
         rest = a[:i] + a[i+1:]
         print rest
         for p in getPermutations(rest):
            print str(p) + "this is p"
            print str(this) + str(p)
            yield str(this) + str(p)


def find_permutation():
    index = 0
    for k in getPermutations([0, 1, 2, 3, 4, 5, 6, 7, 8, 9]):
        print str(k) + "this is k"
        index += 1
        if index == 2:
            print k
            break

find_permutation()


    

    




[0, 1, 2, 3, 4, 5, 6, 7, 8, 9]this is a in else
0this
[1, 2, 3, 4, 5, 6, 7, 8, 9]
[1, 2, 3, 4, 5, 6, 7, 8, 9]this is a in else
1this
[2, 3, 4, 5, 6, 7, 8, 9]
[2, 3, 4, 5, 6, 7, 8, 9]this is a in else
2this
[3, 4, 5, 6, 7, 8, 9]
[3, 4, 5, 6, 7, 8, 9]this is a in else
3this
[4, 5, 6, 7, 8, 9]
[4, 5, 6, 7, 8, 9]this is a in else
4this
[5, 6, 7, 8, 9]
[5, 6, 7, 8, 9]this is a in else
5this
[6, 7, 8, 9]
[6, 7, 8, 9]this is a in else
6this
[7, 8, 9]
[7, 8, 9]this is a in else
7this
[8, 9]
[8, 9]this is a in else
8this
[9]
[9]this is p
8[9]
8[9]this is p
78[9]
78[9]this is p
678[9]
678[9]this is p
5678[9]
5678[9]this is p
45678[9]
45678[9]this is p
345678[9]
345678[9]this is p
2345678[9]
2345678[9]this is p
12345678[9]
12345678[9]this is p
012345678[9]
012345678[9]this is k
[8, 9]this is a in else
9this
[8]
[8]this is p
9[8]
9[8]this is p
79[8]
79[8]this is p
679[8]
679[8]this is p
5679[8]
5679[8]this is p
45679[8]
45679[8]this is p
345679[8]
345679[8]this is p
2345679[8]
2345679[8]this is p
12345679[8]
12345679[8]this is p
012345679[8]
012345679[8]this is k
012345679[8]

In [ ]: