python 输出所有大小写字母和0~9数字

# coding=utf-8

character = []
# 所有大写字母
for i in range(65, 91):
    character.append(chr(i))
# 所有小写字母
for i in range(97,123):
    character.append(chr(i))
# 所有数字
for i in range(48,58):
    character.append(chr(i))
print(character)