String slicing and related functions

str = "my cat is piebald"
print(str)
"""
print(len(str))

print(str[12])
print(str[0:6])
print(str[0:17:2])
print(str[-12])"""
print(str[::-1])
#print(str[::])



"""print(str.isalnum())
print(str.isalpha())
print(str.endswith("is"))
print(str.endswith("ld"))
print(str.count("i"))
print(str.capitalize())
print(str.upper())
print(str.lower())
print(str.replace("cat","dog"))

print(str.find("is"))
"""