Flow control loop examples for and while loops

Naveen-Reddyg · Naveen-Reddyg · commit f410c2070214 · 2020-03-27T19:01:03.000-07:00
diff --git a/flowControlLoopExample.py b/flowControlLoopExample.py
@@ -0,0 +1,63 @@
+#Flow control
+# 2) Iterative Statement
+# loops
+#
+# for loop
+s = input("Enter a string")
+count = 0
+index = 0
+for i in s:
+    print("the index of {} is".format(i),end=" ")
+    print(index)
+    index += 1
+    count += 1
+print(count)
+
+l =[10,20,30]
+for x in l:
+    print(x)
+
+for y in range(1,10):
+    print(y)
+
+# while loop
+# iteration know in advance then we should go for loop
+# if we dont know then we can use while loop
+# while condition:
+#     body
+
+# Example 1 print 1 to 10 numbers
+x  = 1
+while x<= 5:
+    print(x)
+    x+=1
+
+#example 2
+
+name =""
+pwd = ""
+while (name != 'naveen') and (pwd != 1234):
+    name= input("enter name:")
+    pwd = eval(input("enter password"))
+
+print("Hello",name,"Good morning")
+
+# Example 3 infinite loop
+# i = 0
+# while True:
+#     print(i)
+#     i+=1
+
+#nested loops
+#loop inside another loop
+
+for i in range(4):
+    for j in range(4):
+        print(1,j)
+
+#example
+n = eval(input("enter number of rows:"))
+for i in range(1,n+1): # i represents rows number
+    for j in range(1,i+1): # j represents the number of *
+        print("*",end= " ")
+    print()
