# Example 2: String containing spaces
print("abc 123".isalnum()) # Output: False
# Example 3: String containing special characters
print("abc#123".isalnum()) # Output: False
# Example 4: Empty string
print("".isalnum()) # Output: False
# Example 5: String containing only numbers
print("123456".isalnum()) # Output: True
# Example 6: String containing only letters
print("abcdef".isalnum()) # Output: True
# Example 7: String containing underscores but not letters or numbers
print("abc_def".isalnum()) # Output: False
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1 Note
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#0 Generalissimo Wang
322***6006@qq.com 102 If the string contains Chinese characters, it also returns True:
a = 'ssdfghjk24Chinese characters'
b = a.isalnum()
print(b) # True
Generalissimo Wang
Generalissimo Wang
322***6006@qq.com 7 years ago (2019-09-29)
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