# 1 se 10 tak number print karne hai .incriment ka use nahi karna hai .
# a = -1
# while a >= (-10):
#     print (-a)
#     a = a -1 

# a = 1 
# while a <= 10:
#     print (a)
#     a = a-(-1) 

# a = 1
# while a !=11:
#     print (a)
#     a-=-1 