Pytthon程序设计基础

x='R\OS\OT'

print(len(x))

x=12+3x((5x8)- 14)//6

print(x)

import turtle as t

for iin range(1,7):

       t.fd(50)

       t.left(60)

for i in range(l,6):

       if i%4==0:

              continue

       else:

              print(i,end =" , ")

t= 10.5

def above_zero(t):

           return t>0

above_zero(t)

1s =[[1,2,3],'python',[[4,5,'ABC'],6],[7,8]]

print(ls[2][1])

d ≡{"大海":"蓝色",“天空":"灰色",“大地":"黑色")

print(d["大地"],d. get("天空",“黄色"))

for s in "grandfather":

        if  s=='d'or s=='h':

          continue

        print(s,end =)

lis= list(range(4))

print(lis)

ls=[   ]

for m in!想念':

         for n in'家人':

              ls.append(m+n)

print(ls)

txt = open("family. txt" ,"r")

print(txt)

txt.close

a=10.99

print(complex(a))

ls =〖'book',666,[2018,'python',3147,20]

print(ls[2][1][-2])

d = {'food' :{'cake' :l,'egg':5}}

print(d. get('egg','no this food'))

try :

      n= input("请输人一个整数:")

      def pow2(n):

                return n*n

except:

      print("程序执行错误")