Python_String_format()_1.txt.py

# named indexes:
txt1 = "My name is {fname}, I'm {age}".format(fname="sanu", age=24)
# numbered indexes:
txt2 = "My name is {0}, I'm {1}".format("sannu", 24)
# empty placeholders:
txt3 = "My name is {}, I'm {}".format("sanu", 24)

print(txt1)
print(txt2)
print(txt3)