name = "Thomas Jefferson"
print(name[ : 6])
print(name[7: ])
print(name.startswith("Th"))
print(name.endswith("son"))
print(name.isdigit())
print(name.isspace())
print(name.isalnum())
print(name.isalpha())
print(name.find("f"))
print(name.find("cs1111"))
print(name.rfind("f"))
print(name.rfind("cs1111"))
print(name.count("f"))
print(name.count("ff"))
print(name.islower())
print(name.isupper())
print(name.replace("Thomas", "George"))

seq_list = ["$", "--", "#"]
print(name.join(seq_list))
print("".join(seq_list))

print(name)
print(name.split())



str1 = "Thomas Jefferson"
str2 = "e"
print(str1.index(str2))
print(str1.index(str2, 9))
print(str1.index(str2, 9, 12))
print(str1.index(str2, 9, 11))  # from index 9, upto index 11 (not include index 11) --> error