How to Check if Python String Contains a Substring?

python

To check if a Python string contains a given substring, use the in operator:

if "bcd" in "abcde":
    print("YES")

To get the index of the substring if present, use the find function:

idx = "abcde".find("cd")
print(idx)
# the above will print 2 in this case
# it will print -1 if the substring is not found

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