how to define a format function in python code example

Example 1: formatter in python

#TO  know this execute  and check
username,password = "GOOGLE","google"
#a. %  first type
print("User name=%s User password=%s"%(username,password))
#b. {}  second type
print("User name={} User password={}".format(username,password
#c. f  third type
print(f"User name={username} User password={password}")
print(f"User name={username} \nUser password={password}"

Example 2: format 100 python

"{0:.2f} {1:.3f}".format(12.3152, 89.65431)
print('Combined content length = {0:,d}'.format(len(combined)))