(二)Python入门之100道基础练习题

#计算1到10累乘的累加
sum,tmp = 0,1
for i in range(1,11):
    tmp*=i
    sum+=tmp
print("运算结果是:{}".format(sum))

def fact(n):
    if n==0:
        return 1
    else:
        return n * fact(n-1)
num = eval(input("请输入一个整数： "))
print(fact(abs(int(num))))

stri=input("请输入您想要的字符串：")
kong = 0
alpha= 0
chi=0
num=0
other=0
for i in stri:
    if i == " ":
        kong += 1
    elif '0' <= i <= '9':
        num += 1
    elif i >=u'u4e00' and i<=u'u9fa5':
        chi+=1
    elif True == i.isalpha():
        alpha+=1
    else:
        other+=1
print("您输入的字符串中有{}个空格，{}个数字,{}个中文,{}个英文字符,{}个其他字符".format(kong,num,chi,alpha,other))

import turtle
turtle.circle(2)
turtle.circle(10)
turtle.circle(40)
turtle.circle(80)
turtle.circle(160)