Python Learning Note 5--random

One, the random module

Import Random,stringprint (Random.randint (1,199)) #1-199 randomly take an integer print (string.digits) #所有的数字0 -9print (string.ascii_ lowercase) #所有的小写字母print (string.ascii_uppercase) #所有的大写字母print (string.ascii_letters) #所有的小写字母 + all uppercase letters print ( string.punctuation)  #所有的特殊字符s = Random.choice ([' Ybq ', ' mpp ', ' zhx ', ' DF ']) #随机取一个元素s = Random.choice () #随机取一个元素res = Random.sample (string.digits,3) #随机取N个元素print (". Join (res)) res = Random.uniform (1,9) #取随机小数?? Print (RES) print (round (res,2)) # retains several decimals, if after rounding, the last decimal number is 0, then the print (Random.random ())) #取0-1 random fractional s = [' A ', ' B ', ' C ', ' d ', ' E ']random.shuffle (s) #洗牌, scrambled in order, can only pass Listprint (s)

Python Learning Note 5--random