python-2/for.py at main · sajjadsahar/python-2 · GitHub

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#                        for loop
# string = "hello"

# # in => membership oprater

# for var in string :
#     print(var)

# string = "hello"

# if "o" in string:
#     print("o is exists in a string")

# for i in range(5):
#     print(i)

#                      to check how many time one latter come in word same letter

# word = "Artifacil intelligence"

# count = 0

# for ch in word:
#     if(ch == "i"):
#      count += 1

# print("count of i =",count)

#                            range in python

# for i in range(1,10):
#     print(i)

# for i in range(1,10,2):
#     print(i)

#                       print sum of n number

n  = int(input("enter number :"))

sum = 0

for i in range(1,n+1):
    sum += i

print("total sum is ", sum)