"Learning Notes" python100 example

#python3下进行实验

#第一例:

Title: There are four numbers: 1, 2, 3, 4, how many different and no repetition of the number of three digits? What's the number?
Program Analysis: Can be filled in hundreds, 10 digits, single digit numbers are 1, 2, 3, 4. Make all the permutations and then remove the permutations that do not meet the criteria.

1  for　　　　　　　　　　　　　　　　　　　　　　　　　　 in range (1,5):  2for in      range (1,5):  3for in          range (1,5):4             ifand   and (b! = c):5                 print(a,b,c)

method One:

1num=[1,2,3,4]2I=03  forAinchNum:4      forBinchNum:5          forCinchNum:6             if(a!=b) and(B!=C) and(c!=a):7I+=18                 Print(a,b,c)9 Print('The total is:'I

Method Two

#第二例:

#待续

"Learning Notes" python100 example