Added calculator and calendar py files

Calculator.py

@@ -0,0 +1,109 @@
+from tkinter import *
+def main():
+    root = Tk()
+    root.title("Calculator")
+    log = Entry(root, width=35, borderwidth=5)
+    log.grid(row=0, column=0, columnspan=3, padx=10, pady=10)
+
+
+    def click(number):
+        current = log.get()
+        log.delete(0, END)
+        log.insert(0, str(current) + str(number))
+
+
+    def clear():
+        log.delete(0, END)
+
+
+    def add():
+        global operator
+        operator = "add"
+        number_one = log.get()
+        global f_num
+        f_num = int(number_one)
+        log.delete(0, END)
+
+
+    def equal():
+        s_num = log.get()
+        log.delete(0, END)
+        if operator == "add":
+            log.insert(0, f_num + int(s_num))
+        elif operator == "subtract":
+            log.insert(0, f_num - int(s_num))
+        elif operator == "multiply":
+            log.insert(0, f_num * int(s_num))
+        elif operator == "divide":
+            log.insert(0, f_num / int(s_num))
+
+
+    def subtract():
+        global operator
+        operator = "subtract"
+        number_one = log.get()
+        global f_num
+        f_num = int(number_one)
+        log.delete(0, END)
+
+
+    def multiply():
+        global operator
+        operator = "multiply"
+        number_one = log.get()
+        global f_num
+        f_num = int(number_one)
+        log.delete(0, END)
+
+
+    def divide():
+        global operator
+        operator = "divide"
+        number_one = log.get()
+        global f_num
+        f_num = int(number_one)
+        log.delete(0, END)
+
+
+    button1 = Button(root, text="1",bg="blue",font=("bold"), padx=40, pady=20, command=lambda: click(1))
+    button2 = Button(root, text="2",bg="blue",font=("bold"), padx=40, pady=20, command=lambda: click(2))
+    button3 = Button(root, text="3",bg="blue",font=("bold"), padx=40, pady=20, command=lambda: click(3))
+    button4 = Button(root, text="4",bg="blue",font=("bold"), padx=40, pady=20, command=lambda: click(4))
+    button5 = Button(root, text="5",bg="blue",font=("bold"), padx=40, pady=20, command=lambda: click(5))
+    button6 = Button(root, text="6",bg="blue",font=("bold"), padx=40, pady=20, command=lambda: click(6))
+    button7 = Button(root, text="7",bg="blue",font=("bold"), padx=40, pady=20, command=lambda: click(7))
+    button8 = Button(root, text="8",bg="blue",font=("bold"), padx=40, pady=20, command=lambda: click(8))
+    button9 = Button(root, text="9",bg="blue",font=("bold"), padx=40, pady=20, command=lambda: click(9))
+    button0 = Button(root, text="0",bg="blue",font=("bold"), padx=40, pady=20, command=lambda: click(0))
+
+    button_add = Button(root, text="+",bg="blue",font=("bold"), padx=40, pady=20, command=add)
+    button_multiply = Button(root, text="*",bg="blue",font=("bold"), padx=42, pady=20, command=multiply)
+    button_divide = Button(root, text="/",bg="blue",font=("bold"), padx=42, pady=20, command=divide)
+    button_subtract = Button(root, text="-",bg="blue",font=("bold"), padx=42, pady=20, command=subtract)
+
+    button_equal = Button(root, text="=",bg="blue",font=("bold"), padx=90, pady=20, command=equal)
+    button_clear = Button(root, text="Clear",bg="blue",font=("bold"), padx=75, pady=20, command=clear)
+    button1.grid(row=3, column=0)
+    button2.grid(row=3, column=1)
+    button3.grid(row=3, column=2)
+
+    button4.grid(row=2, column=0)
+    button5.grid(row=2, column=1)
+    button6.grid(row=2, column=2)
+
+    button7.grid(row=1, column=0)
+    button8.grid(row=1, column=1)
+    button9.grid(row=1, column=2)
+
+    button0.grid(row=4, column=0)
+
+    button_clear.grid(row=4, column=1, columnspan=2)
+    button_add.grid(row=5, column=0)
+    button_equal.grid(row=5, column=1, columnspan=2)
+
+    button_subtract.grid(row=6, column=0)
+    button_multiply.grid(row=6, column=1)
+    button_divide.grid(row=6, column=2)
+    root.mainloop()
+if __name__=="__main__":
+    main()

Calendar.py

@@ -0,0 +1,6 @@
+import calendar
+print("Enter The year:")
+yy=int(input())
+print("Enter The month:")
+mm=int(input())
+print(calendar.month(yy,mm))