Problem statement 03

Problem Statement 3/calculator.py

@@ -0,0 +1,256 @@
+
+import tkinter
+from tkinter import *
+from tkinter import messagebox
+
+operator= ""
+val=""
+A = 0
+
+
+def B1_clicked():
+    global val
+    val=val+"1"
+    data.set(val)
+
+def B2_clicked():
+    global val
+    val=val+"2"
+    data.set(val)
+
+def B3_clicked():
+    global val
+    val=val+"3"
+    data.set(val)
+
+def B4_clicked():
+    global val
+    val=val+"4"
+    data.set(val)
+
+def B5_clicked():
+    global val
+    val=val+"5"
+    data.set(val)
+
+def B6_clicked():
+    global val
+    val=val+"6"
+    data.set(val)
+
+
+def B7_clicked():
+    global val
+    val=val+"7"
+    data.set(val)
+
+def B8_clicked():
+    global val
+    val=val+"8"
+    data.set(val)
+
+def B9_clicked():
+    global val
+    val=val+"9"
+    data.set(val)
+
+def B0_clicked():
+    global val
+    val=val+"0"
+    data.set(val)
+
+def BP_clicked():
+    global A
+    global operator
+    global val
+    A= int(val)
+    operator= "+"
+    val= val + "+"
+    data.set(val)
+
+def BM_clicked():
+    global A
+    global operator
+    global val
+    A= int(val)
+    operator= "-"
+    val= val + "-"
+    data.set(val)
+
+def BML_clicked():
+    global A
+    global operator
+    global val
+    A= int(val)
+    operator= "*"
+    val= val + "*"
+    data.set(val)
+
+def BD_clicked():
+    global A
+    global operator
+    global val
+    A= int(val)
+    operator= "/"
+    val= val + "/"
+    data.set(val)
+
+def c_clicked():
+    global A
+    global operator
+    global val
+    val=""
+    A=0
+    operator=""
+    data.set(val)
+
+def result():
+    global A
+    global operator
+    global val
+    val2 =val
+    if operator == "+":
+        x=int((val2.split("+")[1]))
+        C= A + x
+        data.set(C)
+        val = str(C)
+    elif operator == "-":
+        x=int((val2.split("-")[1]))
+        C= A - x
+        data.set(C)
+        val = str(C)
+    elif operator == "*":
+        x=int((val2.split("*")[1]))
+        C= A * x
+        data.set(C)
+        val = str(C)
+    elif operator == "/":
+        x=int((val2.split("/")[1]))
+        if x==0:
+            messagebox.showerror("Error","Value can not be divided by 0")
+            A=""
+            val=""
+            data.set(val)
+        else:
+            C=  int(A/x)
+            data.set(C)
+            val = str(C)
+
+
+
+root = tkinter.Tk()
+root.geometry("200x300+300+300")
+#root.resizable(0,0)
+root.title("Calculator")
+
+data=StringVar()
+lbl=Label(root, text= " ", anchor= SE,font= ("bold",26), textvariable= data,
+bg="#ffffff")
+lbl.pack(expand= True, fill="both")
+
+brow1 = Frame(root)
+brow1.pack(expand= True, fill="both")
+
+brow2 = Frame(root)
+brow2.pack(expand= True, fill="both")
+
+brow3 = Frame(root)
+brow3.pack(expand= True, fill="both")
+
+brow4 = Frame(root)
+brow4.pack(expand= True, fill="both")
+
+
+btn1 = Button(
+    brow1, text="1", font= ("bold",22)
+    ,relief= GROOVE, border=0, command =B1_clicked
+)
+btn1.pack(side = LEFT, expand=True,fill="both")
+
+btn2 = Button(
+    brow1, text="2", font= ("bold",22),relief= GROOVE, border=0,command =B2_clicked
+)
+btn2.pack(side = LEFT, expand=True,fill="both")
+
+btn3 = Button(
+    brow1, text="3", font= ("bold",22),relief= GROOVE, border=0, command =B3_clicked
+)
+btn3.pack(side = LEFT, expand=True,fill="both")
+
+btn4 = Button(
+    brow1, text="+", font= ("bold",22),relief= GROOVE, border=0, command =BP_clicked
+)
+btn4.pack(side = LEFT, expand=True,fill="both")
+
+
+
+btn1 = Button(
+    brow2, text="4", font= ("bold",22),relief= GROOVE, border=0,command =B4_clicked
+)
+btn1.pack(side = LEFT, expand=True,fill="both")
+
+btn2 = Button(
+    brow2, text="5", font= ("bold",22),relief= GROOVE, border=0,command =B5_clicked
+)
+btn2.pack(side = LEFT, expand=True,fill="both")
+
+btn3 = Button(
+    brow2, text="6", font= ("bold",22),relief= GROOVE, border=0,command =B6_clicked
+)
+btn3.pack(side = LEFT, expand=True,fill="both")
+
+btn4 = Button(
+    brow2, text="-", font= ("bold",22),relief= GROOVE, border=0, command =BM_clicked
+)
+btn4.pack(side = LEFT, expand=True,fill="both")
+
+
+
+
+
+btn1 = Button(
+    brow3, text="7", font= ("bold",22),relief= GROOVE, border=0,command =B7_clicked
+)
+btn1.pack(side = LEFT, expand=True,fill="both")
+
+btn2 = Button(
+    brow3, text="8", font= ("bold",22),relief= GROOVE, border=0,command =B8_clicked
+)
+btn2.pack(side = LEFT, expand=True,fill="both")
+
+btn3 = Button(
+    brow3, text="9", font= ("bold",22),relief= GROOVE, border=0,command =B9_clicked
+)
+btn3.pack(side = LEFT, expand=True,fill="both")
+
+btn4 = Button(
+    brow3, text="*", font= ("bold",22),relief= GROOVE, border=0,command =BML_clicked
+)
+btn4.pack(side = LEFT, expand=True,fill="both")
+
+
+
+
+
+btn1 = Button(
+    brow4, text="c", font= ("bold",22),relief= GROOVE, border=0, command=c_clicked
+)
+btn1.pack(side = LEFT, expand=True,fill="both")
+
+btn2 = Button(
+    brow4, text="0", font= ("bold",22),relief= GROOVE, border=0,command =B0_clicked
+)
+btn2.pack(side = LEFT, expand=True,fill="both")
+
+btn3 = Button(
+    brow4, text="=", font= ("bold",22),relief= GROOVE, border=0, command= result
+)
+btn3.pack(side = LEFT, expand=True,fill="both")
+
+btn4 = Button(
+    brow4, text="/", font= ("bold",22),relief= GROOVE, border=0, command =BD_clicked
+)
+btn4.pack(side = LEFT, expand=True,fill="both")
+
+
+root.mainloop()