PythonBasics

Author: ramgpal

1.py

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+# print("Hyy, This is mine 1st program in python")
+
+# 1.variables
+
+# name = "Ram"
+# age = 20
+# print(name)
+# print(age)
+
+# 2.exercise
+
+# firstName = "Tony"
+# lastName = "Stark"
+# age = 51
+# print(firstName+" "+lastName)
+# print (age)
+# isGenius = True
+# print(isGenius)
+
+# 3.take input from user
+
+name = input("What is your name")
+print(name)
+
+# 4.exercise
+
+ans = input("who is your superhero and why?")
+print(ans)

2.py

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+# oldAge = input("enter your old age: ")
+# newAge = int(oldAge) + 2    #float, char, bool
+# print(newAge)
+
+# number = 18
+# print(float(number))
+  
+# first = input("enter the first number: ")
+# second = input("enter second nuber: ")
+# sum = int(first)+int(second)
+# print(sum)  # print("The sum is: "+str(sum))
+
+name = "Tony Stark"
+print(name.upper())
+print(name.lower())    # To lowerCase
+print(name.find('S'))  # Searching of 'S' in the string
+print(name.find('s'))
+#"Tony Stark" replaced by "Ironman"
+print(name.replace("Tony Stark", "IronMan"))
+print('T' in name)
+print('c' in name)

3.py

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+# Operators
+
+print(5+2)  #sum
+print(5-2)   #sub
+print(5/2)   #devide
+print(5*2)    #mul
+print(10//3) #to get only integer value
+print(5**2)  #power
+print(10%3) #modulo operator to bget remainder
+
+#Comparoson operator
+
+print(3>2) 
+print(3==3)
+print(3<2)
+# Logical operator
+print(2>3 or 2<1)
+print(2>3 and 3<2)
+print(not(2>3))
+
+
+age = 2
+if age>=18:
+    print("you are adult")
+    print("you can vote")
+elif age<18 and age>3:
+    print("You're in school")
+else:
+    print("You're a child")

4Calculator.py

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+first = input("Enter first number: ")
+operator = input("Enter operator(+,-,*,/,%): ")
+second = input("Enter second number: ")
+\
+first = int(first)
+second = int(second)
+if operator == "+":
+    print(first+second)
+elif operator == "-":
+    print(first-second)
+elif operator=="*":
+    print(first*second)
+elif operator == "/":
+    print(first/second)
+else:
+    print(first%second)

5Range.py

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+i = 1
+while(i<11):
+    print(i*"*")
+    i += 1
+
+
+for item in range(5):
+    print(item+1)
+
+    # List - Collection of items
+
+marks = [95, 98, 99]
+print(marks[2])
+print(marks[-2])   # - last se index dekhta hai
+print(marks[1:3]) # index 1 se 3 tak ke sare element, ending index is excluding
+
+for score in marks:
+    print(marks)
+marks.append(100)
+print(marks)
+
+# to check a number is exist in list or not
+print(99 in marks)
+
+# length of the list
+print(len(marks))
+
+# to empty list
+marks.clear()
+print(marks)
+

6.py

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+# 1.break 
+
+# students = ["Ram", "Shyam", "Kishan", "Radha", "Radhika"]
+# for student in students:
+#     if student == "Radha":
+#         break
+#     print(student)
+
+# 2.continue
+
+# students = ["Ram", "Shyam", "Kishan", "Radha", "Radhika"]
+# for student in students:
+#     if student == "Kishan":
+#         continue
+#     print(student)
+
+# Conclusion - {} for sets, [] for lists, () for tuples 
+
+# 3.Tuples - immutable string
+
+# marks = (95, 97, 98, 97)
+# print(marks.count(97))
+# print(marks.index(95))
+
+# 4.sets  - unorder sequence
+
+# marks = {90, 92, 93, 96, 93, 95}
+# print(marks)
+
+# 5.Dictionary
+
+marks = {"English" : 95, "Mathematics" : 97, "Physics":100}
+print(marks["Mathematics"])
+marks["Science"] = 92
+print(marks)

7_Functions.py

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+#inbuilt function 
+
+# from math import *
+# print(sqrt(16))
+
+# user defined function
+
+def sum(a, b):
+    print(a+b)
+
+sum(2,3)
+