Random Numbers

import random
def split(word):
    return[char for char in word]
#GERACAO NUM ALEAT
num1=random.randint(0,1000)
num2=random.randint(0,1000)
numsel=random.randint(0,9)
txt=''
rndnum1=random.randint(0,9)
rndnum2=random.randint(1,100)
pulo=random.randint(2,10)
size=random.randint(10,100)
newstr=''
nOfTimes=0
digit=0
res=num1**num2
restr=str(res)
restr=split(restr)
for i in restr:
    if(restr[restr.index(i)] == str(numsel) and restr[restr.index(i) +1] == str(numsel)):
        break
    else:
        txt=txt+i+' '
txt=txt+i+' '
if(pulo*size<len(str(res))):
    while (nOfTimes<size):
        newstr=newstr+str(restr[digit])
        digit+=pulo
        nOfTimes+=1
print('Exp 1: '+str(num1)+' / Exp 2: '+str(num2))
print('Número Chave: '+str(numsel))
print('Tamanho real: '+str(len(str(res))))
print('Tamanho real cortado: '+str(len(txt)))
print('#################')
print('Pulo: '+str(pulo))
print('Tamanho propositado Nova String: '+str(size))
print('Tamanho real Nova String: '+str(len(newstr)))
print('Nova String: \n'+newstr)
print('################')