if __name__ == '__main__':
str1 = input('input a string: \n')
str2 = input('input a sub string: \n')
ncount = str1.count(str2)
print(ncount)
if __name__ == '__main__':
str1 = input('input a string: \n')
str2 = input('input a sub string: \n')
ncount = str1.count(str2)
print(ncount)
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