\u5982\u679c\u8981\u7edf\u8ba1\u4e00\u4e2a\u5b57\u7b26\u4e32\u4e2d\u7684\u8bcd\u9891\uff0c\u53ef\u4ee5\u4f7f\u7528 Python \u4e2d\u7684\u5b57\u5178\uff08Dictionary\uff09\u6570\u636e\u7ed3\u6784\u3002\u4e0b\u9762\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u7a0b\u5e8f\u793a\u4f8b\uff1a<\/p>\n\n\n\n
def count_words(string):
words = string.split() # \u5c06\u5b57\u7b26\u4e32\u62c6\u5206\u6210\u5355\u8bcd\u5217\u8868
word_counts = {} # \u521b\u5efa\u4e00\u4e2a\u7a7a\u5b57\u5178\u7528\u4e8e\u5b58\u50a8\u8bcd\u9891\u7edf\u8ba1\u7ed3\u679c<\/p>\n\n\n\n
for word in words:\n if word in word_counts: # \u5982\u679c\u5b57\u5178\u4e2d\u5df2\u7ecf\u5b58\u5728\u8be5\u5355\u8bcd\n word_counts[word] += 1 # \u5c06\u8be5\u5355\u8bcd\u7684\u8ba1\u6570\u52a0 1\n else: # \u5982\u679c\u5b57\u5178\u4e2d\u4e0d\u5b58\u5728\u8be5\u5355\u8bcd\n word_counts[word] = 1 # \u521b\u5efa\u4e00\u4e2a\u65b0\u7684\u952e\u503c\u5bf9\uff0c\u5c06\u5355\u8bcd\u4f5c\u4e3a\u952e\uff0c\u8ba1\u6570\u4e3a 1\n\nreturn word_counts<\/code><\/pre>\n\n\n\n\u6d4b\u8bd5\u7a0b\u5e8f<\/h1>\n\n\n\n
string = “Hello, World! This is a test.”
print(count_words(string)) # \u8f93\u51fa\uff1a{‘Hello’: 1, ‘World’: 1, ‘This’: 1, ‘is’: 1, ‘a’: 1, ‘test.’: 1}
<\/p>\n\n\n\n
\u5728\u4e0a\u8ff0\u7a0b\u5e8f\u4e2d\uff0c\u6211\u4eec\u5b9a\u4e49\u4e86\u4e00\u4e2a\u540d\u4e3a count_words \u7684\u51fd\u6570\uff0c\u5b83\u63a5\u53d7\u4e00\u4e2a\u5b57\u7b26\u4e32\u53c2\u6570 string \u3002\u9996\u5148\uff0c\u6211\u4eec\u4f7f\u7528 split \u65b9\u6cd5\u5c06\u5b57\u7b26\u4e32\u62c6\u5206\u6210\u5355\u8bcd\u5217\u8868\uff0c\u7136\u540e\u521b\u5efa\u4e00\u4e2a\u7a7a\u5b57\u5178 word_counts \u7528\u4e8e\u5b58\u50a8\u8bcd\u9891\u7edf\u8ba1\u7ed3\u679c\u3002<\/p>\n\n\n\n
\u63a5\u4e0b\u6765\uff0c\u6211\u4eec\u904d\u5386\u5355\u8bcd\u5217\u8868\u4e2d\u7684\u6bcf\u4e2a\u5355\u8bcd\u3002\u5982\u679c\u8be5\u5355\u8bcd\u5df2\u7ecf\u5b58\u5728\u4e8e\u5b57\u5178\u4e2d\uff0c\u6211\u4eec\u5c06\u5176\u8ba1\u6570\u52a0 1\uff1b\u5982\u679c\u8be5\u5355\u8bcd\u4e0d\u5b58\u5728\u4e8e\u5b57\u5178\u4e2d\uff0c\u6211\u4eec\u521b\u5efa\u4e00\u4e2a\u65b0\u7684\u952e\u503c\u5bf9\uff0c\u5c06\u5355\u8bcd\u4f5c\u4e3a\u952e\uff0c\u8ba1\u6570\u4e3a 1\u3002<\/p>\n\n\n\n
\u6700\u540e\uff0c\u6211\u4eec\u8fd4\u56de\u7edf\u8ba1\u7ed3\u679c\u5b57\u5178\u3002<\/p>\n\n\n\n
\u5728\u6d4b\u8bd5\u7a0b\u5e8f\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528\u793a\u4f8b\u5b57\u7b26\u4e32 “Hello, World! This is a test.” \u8c03\u7528 count_words \u51fd\u6570\uff0c\u5e76\u5c06\u8fd4\u56de\u503c\u6253\u5370\u8f93\u51fa\u3002<\/p>\n\n\n\n
\u8f93\u51fa\u7ed3\u679c\u4e3a\u4e00\u4e2a\u5b57\u5178\uff0c\u5176\u4e2d\u6bcf\u4e2a\u952e\u90fd\u662f\u4e00\u4e2a\u5355\u8bcd\uff0c\u5bf9\u5e94\u7684\u503c\u662f\u8be5\u5355\u8bcd\u5728\u5b57\u7b26\u4e32\u4e2d\u51fa\u73b0\u7684\u6b21\u6570\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"