用于检查给定字符串中是否存在子字符串的Python程序。
在这个问题中,给出了一个字符串,我们必须检查给定字符串中是否存在子字符串。
算法
Step 1: input a string and a substring from the user and store it in separate variables.Step 2. Check if the substring is present in the string or not. To do this using find() in-built function.
Step 3. Print the final result.
Step 4. Exit.
范例程式码
def check(str1, sstr):if (str1.find(sstr) == -1):
print(sstr,"IS NOT PRESENT IN THE GIVEN STRING")
else:
print(sstr,"IS PRESENT IN THE GIVEN STRING")
# Driver code
str1 = input("Enter the string ::>")
sstr=input("Enter Substring ::>")
check(str1, sstr)
输出结果
Enter the string ::> python programEnter Substring ::> program
program IS PRESENT IN THE GIVEN STRING
Enter the string ::> python program
Enter Substring ::> programming
programming IS NOT PRESENT IN THE GIVEN STRING
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