Python 3
def strCount(str1, str2): if not str1 or str2 not in str1: return 0 return str1.count(str2) def strCount_2(str1, str2): return str1.count(str2) if __name__ == "__main__": print(strCount('Hello', 'o')) print(strCount('Hello', 'l')) print(strCount('', 'z')) print(strCount('oh goodness gracious', 'o')) print(strCount('howdy, pardner', 'd')) print(strCount('Incumbent President', 'e'))
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Python 3