Python 核心编程 第八章 练习题

第2题

#!/usr/bin/env python
def printStep(starInt , endInt , step):
    for i in range(0,(endInt - starInt) / step + 1):
        print starInt + i * step,

print "Please Input StartNumber:",
beginInt = int(raw_input())
print "PLease Input LastNumber:",
endInt = int(raw_input())
print "Please Input The Step:",
steps = int(raw_input())
printStep(beginInt,endInt,steps)

第4题

#!/usr/bin/env python
def isPrime(P):
    if P == 1 or P == 2:
        return True
    pt = 0
    for i in range(1,P):
        if P%i == 0:
            pt += 1
    if pt == 1:
        return True
    else:
        return False

print isPrime(1)
print isPrime(2)
print isPrime(3)
print isPrime(8)
print isPrime(29)
print isPrime(33)
print isPrime(97)
print isPrime(110)

第5题

#!/sur/bin/env python
def getFactors(nu):
    if nu == 0:
        print [0]
        return
    if nu == 1:
        print [0,1]
        return
    print [i for i in range(1,nu+1) if nu%i == 0]

getFactors(0)
getFactors(5)
getFactors(1)
getFactors(2)
getFactors(10)
getFactors(20)
getFactors(15)

第7题

#!/usr/bin/env python
def isPerfect(nu):
    if nu == 0:
        return True
    if nu == 1:
        return False
    db = [i for i in range(1,nu) if nu%i == 0]
    pt = 0
    for i in db:
        pt += i
    if pt == nu:
        return True
    else:
        return False

print isPerfect(3)
print isPerfect(6)
print isPerfect(25)
print isPerfect(7)
print isPerfect(24)

第8题

#!/sur/bin/env python
def getFactorial(nu):
    if nu == 0:
        print nu
        return
    pt = 1
    for i in range(1,nu+1):
        pt *= i
    print pt

getFactorial(5)
getFactorial(10)
getFactorial(1)
getFactorial(0)

第9题

#!/usr/bin/env python
def sumList(nu):
    if nu <= 2:
        print 1
        return

    db = [1,1]
    for i in range(2,nu):
        db.append(db[i-1]+db[i-2])
    print db[nu-1]

sumList(1)
sumList(7)
sumList(6)
sumList(8)

第10题

#!/usr/bin/env python
def testLetter(strings):
    standLetter = "aeiouAEIOU"
    splitLetter = " "
    nuST = 0
    nuSP = 1
    for ch in strings:
        if ch in standLetter:
            nuST += 1
        if ch in splitLetter:
            nuSP += 1
    return [nuST,nuSP]

print testLetter("Today is a good day.")  

第11题

#!/usr/bin/env python
splitLetter = ","
n = 0
wrongTimes = 0
db = []
while True:
    print "Please Input %d Name,'Q' To Quit:"%(n+1),
    nm = raw_input()
    if nm == "Q":
        break
    splitIndex = 0
    for ch in nm:    #check "nm" is on level or not
        if ch == splitLetter and nm[-1] != splitLetter:
            splitIndex = nm.index(ch)
            break

    if splitIndex == 0:
        print "It Isn't A Name That's On Level."
        wrongTimes += 1
        continue
    else:
        n += 1
        newName = nm[splitIndex+1:] + splitLetter + nm[0:splitIndex]
        db.append(newName)

for nms in db:
    print nms

第12题

#!/usr/bin/env python
def printList(beginInt,endInt):
    db = []
    for i in range(beginInt,endInt+1):
        ASC = None
        if i>=33 and i <=126:
            ASC = chr(i)
        db.append([i,bin(i),oct(i),hex(i),ASC])
    
    for L in db:
        print L

print "Please Input First Integer:",
FI = int(raw_input())
print "Please Input Last Integer:",
LI = int(raw_input())
printList(FI,LI)