def is_all_chinese(strs):
    for _char in strs:
        if not '\u4e00' <= _char <= '\u9fa5':
            return False
    return True

print(is_all_chinese("hello"))
print(is_all_chinese("hello你好"))
print(is_all_chinese("123456"))
print(is_all_chinese("你好"))

def is_contains_chinese(strs):
    for _char in strs:
        if '\u4e00' <= _char <= '\u9fa5':
            return True
    return False

print(is_contains_chinese("hello"))
print(is_contains_chinese("hello你好"))
print(is_contains_chinese("123456"))
print(is_contains_chinese("你好"))

def is_all_english(strs):
    import string
    for i in strs:
        if i not in string.ascii_lowercase + string.ascii_uppercase:
            return False
    return True

print(is_all_english("hello"))
print(is_all_english("hello你好"))
print(is_all_english("123456"))
print(is_all_english("你好"))

import re
def is_contains_english(str):
    my_re = re.compile(r'[A-Za-z]', re.S)
    res = re.findall(my_re, str)
    if len(res):
        return True
    else:
        return False

print(is_contains_english("hello"))
print(is_contains_english("hello你好"))
print(is_contains_english("123456"))
print(is_contains_english("你好"))