python数字替换 携程校招

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正则表达式的方法

s = input()
import re
pattern = re.compile('\d*')
print(re.sub(pattern, "", s))

ASCII码的方法 

youhuicode = input()
res = ""
for i in youhuicode:
    if i >= 'A' and i <= 'z':
        res += i
print(res)