mystr = "Shahrukh is learning machine learning"
print(mystr)
print(len(mystr))
print(mystr[0:37])
# error while printing print(mystr[123])
print(mystr[0:123])

# print(mystr[0:5:2])
print(mystr[-10:-2])
print("SHhasssssss")
print("SHhasssssss")

print(mystr.isalnum())
print(mystr.endswith("ing"))
print(mystr.count("a"))

print(mystr.capitalize())

print(mystr.find("is"))