# Define the string we want to search in
s: str = "python"
# Check if a character exists using the idiomatic 'in' operator
exists_h = 'h' in s # True because 'h' is in "python"
exists_z = 'z' in s # False because 'z' is not in "python"
# Print the results of the checks
print(exists_h)
print(exists_z)
# Use a conditional to print a message
if 'h' in s:
print("exists")
else:
print("not exists")
'''
run:
True
False
exists
'''